diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4f93725f1c..68ce1a52e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -84,7 +84,7 @@ if (protobuf_BUILD_SHARED_LIBS)
 endif ()
 
 # Version metadata
-set(protobuf_VERSION_STRING "5.28.0-rc-1")
+set(protobuf_VERSION_STRING "5.28.0")
 set(protobuf_DESCRIPTION "Protocol Buffers")
 set(protobuf_CONTACT "protobuf@googlegroups.com")
 
diff --git a/MODULE.bazel b/MODULE.bazel
index 09b78c802d..a59a2de4fb 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -3,7 +3,7 @@
 
 module(
     name = "protobuf",
-    version = "28.0-rc1", # Automatically updated on release
+    version = "28.0-dev", # Automatically updated on release
     compatibility_level = 1,
     repo_name = "com_google_protobuf",
 )
diff --git a/Protobuf-C++.podspec b/Protobuf-C++.podspec
index 9ed1099243..51e90cd9bd 100644
--- a/Protobuf-C++.podspec
+++ b/Protobuf-C++.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name     = 'Protobuf-C++'
-  s.version  = '5.28.0-rc1'
+  s.version  = '5.28.0'
   s.summary  = 'Protocol Buffers v3 runtime library for C++.'
   s.homepage = 'https://github.com/google/protobuf'
   s.license  = 'BSD-3-Clause'
diff --git a/Protobuf.podspec b/Protobuf.podspec
index a0e619307f..3a53918e76 100644
--- a/Protobuf.podspec
+++ b/Protobuf.podspec
@@ -5,7 +5,7 @@
 # dependent projects use the :git notation to refer to the library.
 Pod::Spec.new do |s|
   s.name     = 'Protobuf'
-  s.version  = '3.28.0-rc1'
+  s.version  = '3.28.0'
   s.summary  = 'Protocol Buffers v.3 runtime library for Objective-C.'
   s.homepage = 'https://github.com/protocolbuffers/protobuf'
   s.license  = 'BSD-3-Clause'
diff --git a/csharp/Google.Protobuf.Tools.nuspec b/csharp/Google.Protobuf.Tools.nuspec
index 374990dd63..08091d76fc 100644
--- a/csharp/Google.Protobuf.Tools.nuspec
+++ b/csharp/Google.Protobuf.Tools.nuspec
@@ -5,7 +5,7 @@
     <title>Google Protocol Buffers tools</title>
     <summary>Tools for Protocol Buffers - Google's data interchange format.</summary>
     <description>See project site for more info.</description>
-    <version>3.28.0-rc1</version>
+    <version>3.28.0</version>
     <authors>Google Inc.</authors>
     <owners>protobuf-packages</owners>
     <licenseUrl>https://github.com/protocolbuffers/protobuf/blob/main/LICENSE</licenseUrl>
diff --git a/csharp/src/Google.Protobuf/Google.Protobuf.csproj b/csharp/src/Google.Protobuf/Google.Protobuf.csproj
index a6d148a9a1..394a0af841 100644
--- a/csharp/src/Google.Protobuf/Google.Protobuf.csproj
+++ b/csharp/src/Google.Protobuf/Google.Protobuf.csproj
@@ -5,7 +5,7 @@
     <Description>C# runtime library for Protocol Buffers - Google's data interchange format.</Description>
     <Copyright>Copyright 2015, Google Inc.</Copyright>
     <AssemblyTitle>Google Protocol Buffers</AssemblyTitle>
-    <VersionPrefix>3.28.0-rc1</VersionPrefix>
+    <VersionPrefix>3.28.0</VersionPrefix>
     <LangVersion>10.0</LangVersion>
     <Authors>Google Inc.</Authors>
     <TargetFrameworks>netstandard1.1;netstandard2.0;net45;net50</TargetFrameworks>
diff --git a/java/bom/pom.xml b/java/bom/pom.xml
index c5931c8263..e69e5e3808 100644
--- a/java/bom/pom.xml
+++ b/java/bom/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-bom</artifactId>
-  <version>4.28.0-RC1</version>
+  <version>4.28.0</version>
   <packaging>pom</packaging>
 
   <name>Protocol Buffers [BOM]</name>
diff --git a/java/core/pom.xml b/java/core/pom.xml
index 21b1c883cc..ee75cf4674 100644
--- a/java/core/pom.xml
+++ b/java/core/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>4.28.0-RC1</version>
+    <version>4.28.0</version>
   </parent>
 
   <artifactId>protobuf-java</artifactId>
diff --git a/java/core/src/main/java/com/google/protobuf/RuntimeVersion.java b/java/core/src/main/java/com/google/protobuf/RuntimeVersion.java
index 36bb5a6fd5..b0f5e81a59 100644
--- a/java/core/src/main/java/com/google/protobuf/RuntimeVersion.java
+++ b/java/core/src/main/java/com/google/protobuf/RuntimeVersion.java
@@ -29,7 +29,7 @@ public final class RuntimeVersion {
   public static final int OSS_MAJOR = 4;
   public static final int OSS_MINOR = 28;
   public static final int OSS_PATCH = 0;
-  public static final String OSS_SUFFIX = "-rc1";
+  public static final String OSS_SUFFIX = "-dev";
 
   public static final RuntimeDomain DOMAIN = OSS_DOMAIN;
   public static final int MAJOR = OSS_MAJOR;
diff --git a/java/kotlin-lite/pom.xml b/java/kotlin-lite/pom.xml
index fd41e53100..4435507fd6 100644
--- a/java/kotlin-lite/pom.xml
+++ b/java/kotlin-lite/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>4.28.0-RC1</version>
+    <version>4.28.0</version>
   </parent>
 
   <artifactId>protobuf-kotlin-lite</artifactId>
diff --git a/java/kotlin/pom.xml b/java/kotlin/pom.xml
index 0dcf26a4cb..bf415f8f0c 100644
--- a/java/kotlin/pom.xml
+++ b/java/kotlin/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>4.28.0-RC1</version>
+    <version>4.28.0</version>
   </parent>
 
   <artifactId>protobuf-kotlin</artifactId>
diff --git a/java/lite/pom.xml b/java/lite/pom.xml
index 3e2a1677af..d2da130846 100644
--- a/java/lite/pom.xml
+++ b/java/lite/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>4.28.0-RC1</version>
+    <version>4.28.0</version>
   </parent>
 
   <artifactId>protobuf-javalite</artifactId>
diff --git a/java/pom.xml b/java/pom.xml
index 88a9a6c20a..3e9e73d2ab 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-parent</artifactId>
-  <version>4.28.0-RC1</version>
+  <version>4.28.0</version>
   <packaging>pom</packaging>
 
   <name>Protocol Buffers [Parent]</name>
diff --git a/java/protoc/pom.xml b/java/protoc/pom.xml
index 648ef1cd53..fc2faab320 100644
--- a/java/protoc/pom.xml
+++ b/java/protoc/pom.xml
@@ -8,7 +8,7 @@
   </parent>
   <groupId>com.google.protobuf</groupId>
   <artifactId>protoc</artifactId>
-  <version>4.28.0-RC1</version>
+  <version>4.28.0</version>
   <packaging>pom</packaging>
   <name>Protobuf Compiler</name>
   <description>
diff --git a/java/util/pom.xml b/java/util/pom.xml
index a091a2e50e..775d50c828 100644
--- a/java/util/pom.xml
+++ b/java/util/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>4.28.0-RC1</version>
+    <version>4.28.0</version>
   </parent>
 
   <artifactId>protobuf-java-util</artifactId>
diff --git a/php/ext/google/protobuf/protobuf.h b/php/ext/google/protobuf/protobuf.h
index e19373095c..009baea867 100644
--- a/php/ext/google/protobuf/protobuf.h
+++ b/php/ext/google/protobuf/protobuf.h
@@ -32,7 +32,7 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_setter, 0, 0, 1)
 ZEND_ARG_INFO(0, value)
 ZEND_END_ARG_INFO()
 
-#define PHP_PROTOBUF_VERSION "4.28.0RC1"
+#define PHP_PROTOBUF_VERSION "4.28.0"
 
 // ptr -> PHP object cache. This is a weak map that caches lazily-created
 // wrapper objects around upb types:
diff --git a/protobuf_version.bzl b/protobuf_version.bzl
index 0c3e4c6c98..bc33e8c0f3 100644
--- a/protobuf_version.bzl
+++ b/protobuf_version.bzl
@@ -1,6 +1,6 @@
 """ Contains version numbers to be used in other bzl files """
-PROTOC_VERSION = "28.0-rc-1"
-PROTOBUF_JAVA_VERSION = "4.28.0-RC1"
-PROTOBUF_PYTHON_VERSION = "5.28.0rc1"
-PROTOBUF_PHP_VERSION = "4.28.0RC1"
-PROTOBUF_RUBY_VERSION = "4.28.0.rc.1"
+PROTOC_VERSION = "28.0"
+PROTOBUF_JAVA_VERSION = "4.28.0"
+PROTOBUF_PYTHON_VERSION = "5.28.0"
+PROTOBUF_PHP_VERSION = "4.28.0"
+PROTOBUF_RUBY_VERSION = "4.28.0"
diff --git a/python/google/protobuf/__init__.py b/python/google/protobuf/__init__.py
index b478be10d2..42bcd440b5 100755
--- a/python/google/protobuf/__init__.py
+++ b/python/google/protobuf/__init__.py
@@ -7,4 +7,4 @@
 
 # Copyright 2007 Google Inc. All Rights Reserved.
 
-__version__ = '5.28.0rc1'
+__version__ = '5.28.0'
diff --git a/python/google/protobuf/runtime_version.py b/python/google/protobuf/runtime_version.py
index 307590aadf..d8325fb71b 100644
--- a/python/google/protobuf/runtime_version.py
+++ b/python/google/protobuf/runtime_version.py
@@ -30,7 +30,7 @@ OSS_DOMAIN = Domain.PUBLIC
 OSS_MAJOR = 5
 OSS_MINOR = 28
 OSS_PATCH = 0
-OSS_SUFFIX = '-rc1'
+OSS_SUFFIX = '-dev'
 
 DOMAIN = OSS_DOMAIN
 MAJOR = OSS_MAJOR
diff --git a/ruby/google-protobuf.gemspec b/ruby/google-protobuf.gemspec
index 5868c8691e..3a0b6211ff 100644
--- a/ruby/google-protobuf.gemspec
+++ b/ruby/google-protobuf.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name        = "google-protobuf"
-  s.version     = "4.28.0.rc.1"
+  s.version     = "4.28.0"
   git_tag       = "v#{s.version.to_s.sub('.rc.', '-rc')}" # Converts X.Y.Z.rc.N to vX.Y.Z-rcN, used for the git tag
   s.licenses    = ["BSD-3-Clause"]
   s.summary     = "Protocol Buffers"
diff --git a/ruby/pom.xml b/ruby/pom.xml
index 9d2c9a992f..20bffea558 100644
--- a/ruby/pom.xml
+++ b/ruby/pom.xml
@@ -9,7 +9,7 @@
 
     <groupId>com.google.protobuf.jruby</groupId>
     <artifactId>protobuf-jruby</artifactId>
-    <version>4.28.0-RC1</version>
+    <version>4.28.0</version>
     <name>Protocol Buffer JRuby native extension</name>
     <description>
       Protocol Buffers are a way of encoding structured data in an efficient yet
@@ -76,7 +76,7 @@
         <dependency>
           <groupId>com.google.protobuf</groupId>
           <artifactId>protobuf-java-util</artifactId>
-          <version>4.28.0-RC1</version>
+          <version>4.28.0</version>
         </dependency>
         <dependency>
             <groupId>org.jruby</groupId>
diff --git a/src/google/protobuf/any.pb.cc b/src/google/protobuf/any.pb.cc
index dbc7f050b9..452c367768 100644
--- a/src/google/protobuf/any.pb.cc
+++ b/src/google/protobuf/any.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/any.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/any.pb.h"
 
diff --git a/src/google/protobuf/any.pb.h b/src/google/protobuf/any.pb.h
index 16dc8d6e99..9dc72a0dbf 100644
--- a/src/google/protobuf/any.pb.h
+++ b/src/google/protobuf/any.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/any.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fany_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fany_2eproto_2epb_2eh
diff --git a/src/google/protobuf/api.pb.cc b/src/google/protobuf/api.pb.cc
index b9138fbe8d..0d35398088 100644
--- a/src/google/protobuf/api.pb.cc
+++ b/src/google/protobuf/api.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/api.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/api.pb.h"
 
diff --git a/src/google/protobuf/api.pb.h b/src/google/protobuf/api.pb.h
index 28a0e58c7f..afa747e76b 100644
--- a/src/google/protobuf/api.pb.h
+++ b/src/google/protobuf/api.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/api.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fapi_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fapi_2eproto_2epb_2eh
diff --git a/src/google/protobuf/compiler/java/java_features.pb.cc b/src/google/protobuf/compiler/java/java_features.pb.cc
index 763afdc77e..b292f00f4b 100644
--- a/src/google/protobuf/compiler/java/java_features.pb.cc
+++ b/src/google/protobuf/compiler/java/java_features.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/compiler/java/java_features.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/compiler/java/java_features.pb.h"
 
diff --git a/src/google/protobuf/compiler/java/java_features.pb.h b/src/google/protobuf/compiler/java/java_features.pb.h
index 8677fc82aa..50bc2acb4f 100644
--- a/src/google/protobuf/compiler/java/java_features.pb.h
+++ b/src/google/protobuf/compiler/java/java_features.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/compiler/java/java_features.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fcompiler_2fjava_2fjava_5ffeatures_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fcompiler_2fjava_2fjava_5ffeatures_2eproto_2epb_2eh
diff --git a/src/google/protobuf/compiler/plugin.pb.cc b/src/google/protobuf/compiler/plugin.pb.cc
index c5973618d1..3320a3bd6d 100644
--- a/src/google/protobuf/compiler/plugin.pb.cc
+++ b/src/google/protobuf/compiler/plugin.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/compiler/plugin.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/compiler/plugin.pb.h"
 
diff --git a/src/google/protobuf/compiler/plugin.pb.h b/src/google/protobuf/compiler/plugin.pb.h
index bac6825572..3ffa5ff739 100644
--- a/src/google/protobuf/compiler/plugin.pb.h
+++ b/src/google/protobuf/compiler/plugin.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/compiler/plugin.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fcompiler_2fplugin_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fcompiler_2fplugin_2eproto_2epb_2eh
diff --git a/src/google/protobuf/compiler/versions.h b/src/google/protobuf/compiler/versions.h
index 9077bf8192..dfa543d46f 100644
--- a/src/google/protobuf/compiler/versions.h
+++ b/src/google/protobuf/compiler/versions.h
@@ -53,9 +53,9 @@
 //
 // Please avoid changing them manually, as they should be updated automatically
 // by Protobuf release process.
-#define PROTOBUF_CPP_VERSION_STRING "5.28.0-rc1"
-#define PROTOBUF_JAVA_VERSION_STRING "4.28.0-rc1"
-#define PROTOBUF_PYTHON_VERSION_STRING "5.28.0-rc1"
+#define PROTOBUF_CPP_VERSION_STRING "5.28.0-dev"
+#define PROTOBUF_JAVA_VERSION_STRING "4.28.0-dev"
+#define PROTOBUF_PYTHON_VERSION_STRING "5.28.0-dev"
 
 
 namespace google {
diff --git a/src/google/protobuf/cpp_features.pb.cc b/src/google/protobuf/cpp_features.pb.cc
index e91a640ba4..037da6bd20 100644
--- a/src/google/protobuf/cpp_features.pb.cc
+++ b/src/google/protobuf/cpp_features.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/cpp_features.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/cpp_features.pb.h"
 
diff --git a/src/google/protobuf/cpp_features.pb.h b/src/google/protobuf/cpp_features.pb.h
index a317290cfb..180a90d55c 100644
--- a/src/google/protobuf/cpp_features.pb.h
+++ b/src/google/protobuf/cpp_features.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/cpp_features.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fcpp_5ffeatures_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fcpp_5ffeatures_2eproto_2epb_2eh
diff --git a/src/google/protobuf/descriptor.pb.cc b/src/google/protobuf/descriptor.pb.cc
index 663653f51d..d934fd2d0f 100644
--- a/src/google/protobuf/descriptor.pb.cc
+++ b/src/google/protobuf/descriptor.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/descriptor.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/descriptor.pb.h"
 
diff --git a/src/google/protobuf/descriptor.pb.h b/src/google/protobuf/descriptor.pb.h
index 8635bb6587..3c00710918 100644
--- a/src/google/protobuf/descriptor.pb.h
+++ b/src/google/protobuf/descriptor.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/descriptor.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fdescriptor_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fdescriptor_2eproto_2epb_2eh
diff --git a/src/google/protobuf/duration.pb.cc b/src/google/protobuf/duration.pb.cc
index 88e10bb084..db186b229a 100644
--- a/src/google/protobuf/duration.pb.cc
+++ b/src/google/protobuf/duration.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/duration.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/duration.pb.h"
 
diff --git a/src/google/protobuf/duration.pb.h b/src/google/protobuf/duration.pb.h
index db06794d3f..569c9d8722 100644
--- a/src/google/protobuf/duration.pb.h
+++ b/src/google/protobuf/duration.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/duration.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fduration_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fduration_2eproto_2epb_2eh
diff --git a/src/google/protobuf/empty.pb.cc b/src/google/protobuf/empty.pb.cc
index 0d5c975a44..2331e4164e 100644
--- a/src/google/protobuf/empty.pb.cc
+++ b/src/google/protobuf/empty.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/empty.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/empty.pb.h"
 
diff --git a/src/google/protobuf/empty.pb.h b/src/google/protobuf/empty.pb.h
index 7d7ba668be..9a6f767c9c 100644
--- a/src/google/protobuf/empty.pb.h
+++ b/src/google/protobuf/empty.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/empty.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fempty_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fempty_2eproto_2epb_2eh
diff --git a/src/google/protobuf/field_mask.pb.cc b/src/google/protobuf/field_mask.pb.cc
index 15dfd54715..4ed647c52b 100644
--- a/src/google/protobuf/field_mask.pb.cc
+++ b/src/google/protobuf/field_mask.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/field_mask.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/field_mask.pb.h"
 
diff --git a/src/google/protobuf/field_mask.pb.h b/src/google/protobuf/field_mask.pb.h
index 0ab0a5b024..41fbf7a00f 100644
--- a/src/google/protobuf/field_mask.pb.h
+++ b/src/google/protobuf/field_mask.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/field_mask.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2ffield_5fmask_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2ffield_5fmask_2eproto_2epb_2eh
diff --git a/src/google/protobuf/runtime_version.h b/src/google/protobuf/runtime_version.h
index 3e337d8db8..9244839623 100644
--- a/src/google/protobuf/runtime_version.h
+++ b/src/google/protobuf/runtime_version.h
@@ -19,7 +19,7 @@
 
 // The OSS versions are not stripped to avoid merging conflicts.
 #define PROTOBUF_OSS_VERSION 5028000
-#define PROTOBUF_OSS_VERSION_SUFFIX "-rc1"
+#define PROTOBUF_OSS_VERSION_SUFFIX "-dev"
 
 #define PROTOBUF_VERSION PROTOBUF_OSS_VERSION
 #define PROTOBUF_VERSION_SUFFIX PROTOBUF_OSS_VERSION_SUFFIX
diff --git a/src/google/protobuf/source_context.pb.cc b/src/google/protobuf/source_context.pb.cc
index ee7f2c1e32..0a0d49c784 100644
--- a/src/google/protobuf/source_context.pb.cc
+++ b/src/google/protobuf/source_context.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/source_context.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/source_context.pb.h"
 
diff --git a/src/google/protobuf/source_context.pb.h b/src/google/protobuf/source_context.pb.h
index 472f6438da..65e7c9c124 100644
--- a/src/google/protobuf/source_context.pb.h
+++ b/src/google/protobuf/source_context.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/source_context.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fsource_5fcontext_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fsource_5fcontext_2eproto_2epb_2eh
diff --git a/src/google/protobuf/struct.pb.cc b/src/google/protobuf/struct.pb.cc
index 91cf508f17..ec724a21fd 100644
--- a/src/google/protobuf/struct.pb.cc
+++ b/src/google/protobuf/struct.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/struct.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/struct.pb.h"
 
diff --git a/src/google/protobuf/struct.pb.h b/src/google/protobuf/struct.pb.h
index ef4448b35f..5906ab89cd 100644
--- a/src/google/protobuf/struct.pb.h
+++ b/src/google/protobuf/struct.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/struct.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fstruct_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fstruct_2eproto_2epb_2eh
diff --git a/src/google/protobuf/stubs/common.h b/src/google/protobuf/stubs/common.h
index eff52bd0c4..637b889cd9 100644
--- a/src/google/protobuf/stubs/common.h
+++ b/src/google/protobuf/stubs/common.h
@@ -48,7 +48,7 @@ namespace internal {
 #define GOOGLE_PROTOBUF_VERSION 5028000
 
 // A suffix string for alpha, beta or rc releases. Empty for stable releases.
-#define GOOGLE_PROTOBUF_VERSION_SUFFIX "-rc1"
+#define GOOGLE_PROTOBUF_VERSION_SUFFIX "-dev"
 
 // Verifies that the protobuf version a program was compiled with matches what
 // it is linked/running with. Use the macro below to call this function.
diff --git a/src/google/protobuf/timestamp.pb.cc b/src/google/protobuf/timestamp.pb.cc
index 597b5129e9..df90f6b0cf 100644
--- a/src/google/protobuf/timestamp.pb.cc
+++ b/src/google/protobuf/timestamp.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/timestamp.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/timestamp.pb.h"
 
diff --git a/src/google/protobuf/timestamp.pb.h b/src/google/protobuf/timestamp.pb.h
index dbee65f95a..fc33f272d5 100644
--- a/src/google/protobuf/timestamp.pb.h
+++ b/src/google/protobuf/timestamp.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/timestamp.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2ftimestamp_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2ftimestamp_2eproto_2epb_2eh
diff --git a/src/google/protobuf/type.pb.cc b/src/google/protobuf/type.pb.cc
index 2e3109acb9..fd91b84962 100644
--- a/src/google/protobuf/type.pb.cc
+++ b/src/google/protobuf/type.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/type.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/type.pb.h"
 
diff --git a/src/google/protobuf/type.pb.h b/src/google/protobuf/type.pb.h
index 1983c2def1..49179c9635 100644
--- a/src/google/protobuf/type.pb.h
+++ b/src/google/protobuf/type.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/type.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2ftype_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2ftype_2eproto_2epb_2eh
diff --git a/src/google/protobuf/wrappers.pb.cc b/src/google/protobuf/wrappers.pb.cc
index 0786a9a936..106aa16d11 100644
--- a/src/google/protobuf/wrappers.pb.cc
+++ b/src/google/protobuf/wrappers.pb.cc
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/wrappers.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #include "google/protobuf/wrappers.pb.h"
 
diff --git a/src/google/protobuf/wrappers.pb.h b/src/google/protobuf/wrappers.pb.h
index c26ef1e155..2b03bb812e 100644
--- a/src/google/protobuf/wrappers.pb.h
+++ b/src/google/protobuf/wrappers.pb.h
@@ -1,7 +1,7 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // NO CHECKED-IN PROTOBUF GENCODE
 // source: google/protobuf/wrappers.proto
-// Protobuf C++ Version: 5.28.0-rc1
+// Protobuf C++ Version: 5.28.0-dev
 
 #ifndef GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fwrappers_2eproto_2epb_2eh
 #define GOOGLE_PROTOBUF_INCLUDED_google_2fprotobuf_2fwrappers_2eproto_2epb_2eh
diff --git a/version.json b/version.json
index edc1c3d770..b0936aa306 100644
--- a/version.json
+++ b/version.json
@@ -1,17 +1,17 @@
 {
     "28.x": {
-        "protoc_version": "28.0-rc1",
+        "protoc_version": "28.0-dev",
         "lts": false,
         "date": "2024-07-11",
         "languages": {
-            "cpp": "5.28.0-rc1",
-            "csharp": "3.28.0-rc1",
-            "java": "4.28.0-rc1",
-            "javascript": "3.28.0-rc1",
-            "objectivec": "3.28.0-rc1",
-            "php": "4.28.0-rc1",
-            "python": "5.28.0-rc1",
-            "ruby": "4.28.0-rc1"
+            "cpp": "5.28.0-dev",
+            "csharp": "3.28.0-dev",
+            "java": "4.28.0-dev",
+            "javascript": "3.28.0-dev",
+            "objectivec": "3.28.0-dev",
+            "php": "4.28.0-dev",
+            "python": "5.28.0-dev",
+            "ruby": "4.28.0-dev"
         }
     }
 }
\ No newline at end of file