diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2383a5557a4..5dbde74415d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,11 +25,11 @@
 cmake_minimum_required(VERSION 3.13)
 
 set(PACKAGE_NAME          "grpc")
-set(PACKAGE_VERSION       "1.67.0-dev")
+set(PACKAGE_VERSION       "1.68.0-dev")
 set(gRPC_CORE_VERSION     "44.0.0")
 set(gRPC_CORE_SOVERSION   "44")
-set(gRPC_CPP_VERSION      "1.67.0-dev")
-set(gRPC_CPP_SOVERSION    "1.67")
+set(gRPC_CPP_VERSION      "1.68.0-dev")
+set(gRPC_CPP_SOVERSION    "1.68")
 set(PACKAGE_STRING        "${PACKAGE_NAME} ${PACKAGE_VERSION}")
 set(PACKAGE_TARNAME       "${PACKAGE_NAME}-${PACKAGE_VERSION}")
 set(PACKAGE_BUGREPORT     "https://github.com/grpc/grpc/issues/")
diff --git a/Makefile b/Makefile
index 6ccf81f4e94..767a9f3a335 100644
--- a/Makefile
+++ b/Makefile
@@ -368,7 +368,7 @@ Q = @
 endif
 
 CORE_VERSION = 44.0.0
-CPP_VERSION = 1.67.0-dev
+CPP_VERSION = 1.68.0-dev
 
 CPPFLAGS_NO_ARCH += $(addprefix -I, $(INCLUDES)) $(addprefix -D, $(DEFINES))
 CPPFLAGS += $(CPPFLAGS_NO_ARCH) $(ARCH_FLAGS)
diff --git a/_metadata.py b/_metadata.py
index 4e8ea328708..26d84a74ff4 100644
--- a/_metadata.py
+++ b/_metadata.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/_metadata.py.template`!!!
 
-__version__ = """1.67.0.dev0"""
+__version__ = """1.68.0.dev0"""
diff --git a/config.m4 b/config.m4
index 509ea64d73a..4f5d7504dc7 100644
--- a/config.m4
+++ b/config.m4
@@ -1400,7 +1400,7 @@ if test "$PHP_GRPC" != "no"; then
     -D_HAS_EXCEPTIONS=0 -DNOMINMAX -DGRPC_ARES=0 \
     -DGRPC_POSIX_FORK_ALLOW_PTHREAD_ATFORK=1 \
     -DGRPC_XDS_USER_AGENT_NAME_SUFFIX='"\"PHP\""' \
-    -DGRPC_XDS_USER_AGENT_VERSION_SUFFIX='"\"1.67.0dev\""')
+    -DGRPC_XDS_USER_AGENT_VERSION_SUFFIX='"\"1.68.0dev\""')
 
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/channelz)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/client_channel)
diff --git a/gRPC-C++.podspec b/gRPC-C++.podspec
index 388db1822d3..350aedf9150 100644
--- a/gRPC-C++.podspec
+++ b/gRPC-C++.podspec
@@ -22,7 +22,7 @@
 Pod::Spec.new do |s|
   s.name     = 'gRPC-C++'
   # TODO (mxyan): use version that match gRPC version when pod is stabilized
-  version = '1.67.0-dev'
+  version = '1.68.0-dev'
   s.version  = version
   s.summary  = 'gRPC C++ library'
   s.homepage = 'https://grpc.io'
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 79ce299117a..cff65146c64 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -21,7 +21,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-Core'
-  version = '1.67.0-dev'
+  version = '1.68.0-dev'
   s.version  = version
   s.summary  = 'Core cross-platform gRPC library, written in C'
   s.homepage = 'https://grpc.io'
diff --git a/gRPC-ProtoRPC.podspec b/gRPC-ProtoRPC.podspec
index a53a69dfaee..0e3597a65a3 100644
--- a/gRPC-ProtoRPC.podspec
+++ b/gRPC-ProtoRPC.podspec
@@ -21,7 +21,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-ProtoRPC'
-  version = '1.67.0-dev'
+  version = '1.68.0-dev'
   s.version  = version
   s.summary  = 'RPC library for Protocol Buffers, based on gRPC'
   s.homepage = 'https://grpc.io'
diff --git a/gRPC-RxLibrary.podspec b/gRPC-RxLibrary.podspec
index 59c41799e95..0df0aae5152 100644
--- a/gRPC-RxLibrary.podspec
+++ b/gRPC-RxLibrary.podspec
@@ -21,7 +21,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-RxLibrary'
-  version = '1.67.0-dev'
+  version = '1.68.0-dev'
   s.version  = version
   s.summary  = 'Reactive Extensions library for iOS/OSX.'
   s.homepage = 'https://grpc.io'
diff --git a/gRPC.podspec b/gRPC.podspec
index a5e82d19c36..839b72b339d 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -20,7 +20,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC'
-  version = '1.67.0-dev'
+  version = '1.68.0-dev'
   s.version  = version
   s.summary  = 'gRPC client library for iOS/OSX'
   s.homepage = 'https://grpc.io'
diff --git a/include/grpcpp/version_info.h b/include/grpcpp/version_info.h
index f3785e640cb..e9de5915e61 100644
--- a/include/grpcpp/version_info.h
+++ b/include/grpcpp/version_info.h
@@ -19,9 +19,9 @@
 #define GRPCPP_VERSION_INFO_H
 
 #define GRPC_CPP_VERSION_MAJOR 1
-#define GRPC_CPP_VERSION_MINOR 67
+#define GRPC_CPP_VERSION_MINOR 68
 #define GRPC_CPP_VERSION_PATCH 0
 #define GRPC_CPP_VERSION_TAG "dev"
-#define GRPC_CPP_VERSION_STRING "1.67.0-dev"
+#define GRPC_CPP_VERSION_STRING "1.68.0-dev"
 
 #endif  // GRPCPP_VERSION_INFO_H
diff --git a/package.xml b/package.xml
index f4dc3be409d..d9b37b47eec 100644
--- a/package.xml
+++ b/package.xml
@@ -13,8 +13,8 @@
  <date>2019-09-24</date>
  <time>16:06:07</time>
  <version>
-  <release>1.67.0dev</release>
-  <api>1.67.0dev</api>
+  <release>1.68.0dev</release>
+  <api>1.68.0dev</api>
  </version>
  <stability>
   <release>beta</release>
@@ -22,7 +22,7 @@
  </stability>
  <license>Apache 2.0</license>
  <notes>
-- gRPC Core 1.67.0 update
+- gRPC Core 1.68.0 update
  </notes>
  <contents>
   <dir baseinstalldir="/" name="/">
diff --git a/src/core/lib/surface/version.cc b/src/core/lib/surface/version.cc
index b08e3d97ff4..daa6bacde96 100644
--- a/src/core/lib/surface/version.cc
+++ b/src/core/lib/surface/version.cc
@@ -24,4 +24,4 @@
 
 const char* grpc_version_string(void) { return "44.0.0"; }
 
-const char* grpc_g_stands_for(void) { return "gesundheit"; }
+const char* grpc_g_stands_for(void) { return "groovy"; }
diff --git a/src/csharp/build/dependencies.props b/src/csharp/build/dependencies.props
index 2a50deac3c1..29dba7a288f 100644
--- a/src/csharp/build/dependencies.props
+++ b/src/csharp/build/dependencies.props
@@ -1,7 +1,7 @@
 <!-- This file is generated -->
 <Project>
   <PropertyGroup>
-    <GrpcCsharpVersion>2.67.0-dev</GrpcCsharpVersion>
+    <GrpcCsharpVersion>2.68.0-dev</GrpcCsharpVersion>
     <GoogleProtobufVersion>3.27.2</GoogleProtobufVersion>
   </PropertyGroup>
 </Project>
diff --git a/src/objective-c/!ProtoCompiler-gRPCCppPlugin.podspec b/src/objective-c/!ProtoCompiler-gRPCCppPlugin.podspec
index b407eccc35f..844e08cfcb8 100644
--- a/src/objective-c/!ProtoCompiler-gRPCCppPlugin.podspec
+++ b/src/objective-c/!ProtoCompiler-gRPCCppPlugin.podspec
@@ -42,7 +42,7 @@ Pod::Spec.new do |s|
   # exclamation mark ensures that other "regular" pods will be able to find it as it'll be installed
   # before them.
   s.name     = '!ProtoCompiler-gRPCCppPlugin'
-  v = '1.67.0-dev'
+  v = '1.68.0-dev'
   s.version  = v
   s.summary  = 'The gRPC ProtoC plugin generates C++ files from .proto services.'
   s.description = <<-DESC
diff --git a/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec b/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
index 221ef815cb2..91982885509 100644
--- a/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
+++ b/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
@@ -42,7 +42,7 @@ Pod::Spec.new do |s|
   # exclamation mark ensures that other "regular" pods will be able to find it as it'll be installed
   # before them.
   s.name     = '!ProtoCompiler-gRPCPlugin'
-  v = '1.67.0-dev'
+  v = '1.68.0-dev'
   s.version  = v
   s.summary  = 'The gRPC ProtoC plugin generates Objective-C files from .proto services.'
   s.description = <<-DESC
diff --git a/src/objective-c/GRPCClient/version.h b/src/objective-c/GRPCClient/version.h
index 38176102816..46ede4a14bf 100644
--- a/src/objective-c/GRPCClient/version.h
+++ b/src/objective-c/GRPCClient/version.h
@@ -22,4 +22,4 @@
 // instead. This file can be regenerated from the template by running
 // `tools/buildgen/generate_projects.sh`.
 
-#define GRPC_OBJC_VERSION_STRING @"1.67.0-dev"
+#define GRPC_OBJC_VERSION_STRING @"1.68.0-dev"
diff --git a/src/objective-c/tests/version.h b/src/objective-c/tests/version.h
index f88a8d7224b..6c71e7cf041 100644
--- a/src/objective-c/tests/version.h
+++ b/src/objective-c/tests/version.h
@@ -22,5 +22,5 @@
 // instead. This file can be regenerated from the template by running
 // `tools/buildgen/generate_projects.sh`.
 
-#define GRPC_OBJC_VERSION_STRING @"1.67.0-dev"
+#define GRPC_OBJC_VERSION_STRING @"1.68.0-dev"
 #define GRPC_C_VERSION_STRING @"44.0.0"
diff --git a/src/php/composer.json b/src/php/composer.json
index 2dcb272f367..e44d5e7901e 100644
--- a/src/php/composer.json
+++ b/src/php/composer.json
@@ -2,7 +2,7 @@
   "name": "grpc/grpc-dev",
   "description": "gRPC library for PHP - for Development use only",
   "license": "Apache-2.0",
-  "version": "1.67.0",
+  "version": "1.68.0",
   "require": {
     "php": ">=7.0.0",
     "google/protobuf": "^v3.3.0"
diff --git a/src/php/ext/grpc/version.h b/src/php/ext/grpc/version.h
index be2549d1a74..0a1dc021cd2 100644
--- a/src/php/ext/grpc/version.h
+++ b/src/php/ext/grpc/version.h
@@ -20,6 +20,6 @@
 #ifndef VERSION_H
 #define VERSION_H
 
-#define PHP_GRPC_VERSION "1.67.0dev"
+#define PHP_GRPC_VERSION "1.68.0dev"
 
 #endif /* VERSION_H */
diff --git a/src/python/grpcio/grpc/_grpcio_metadata.py b/src/python/grpcio/grpc/_grpcio_metadata.py
index 829c8f8a7d4..84136764929 100644
--- a/src/python/grpcio/grpc/_grpcio_metadata.py
+++ b/src/python/grpcio/grpc/_grpcio_metadata.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio/grpc/_grpcio_metadata.py.template`!!!
 
-__version__ = """1.67.0.dev0"""
+__version__ = """1.68.0.dev0"""
diff --git a/src/python/grpcio/grpc_version.py b/src/python/grpcio/grpc_version.py
index f9644d30420..503faf205b0 100644
--- a/src/python/grpcio/grpc_version.py
+++ b/src/python/grpcio/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
diff --git a/src/python/grpcio_admin/grpc_version.py b/src/python/grpcio_admin/grpc_version.py
index c4ae9dff5fc..844132b9e0b 100644
--- a/src/python/grpcio_admin/grpc_version.py
+++ b/src/python/grpcio_admin/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_admin/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
diff --git a/src/python/grpcio_channelz/grpc_version.py b/src/python/grpcio_channelz/grpc_version.py
index 46b86e616bb..de5e63dddcf 100644
--- a/src/python/grpcio_channelz/grpc_version.py
+++ b/src/python/grpcio_channelz/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_channelz/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
diff --git a/src/python/grpcio_csds/grpc_version.py b/src/python/grpcio_csds/grpc_version.py
index 5003869954a..0e6d18a4863 100644
--- a/src/python/grpcio_csds/grpc_version.py
+++ b/src/python/grpcio_csds/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_csds/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
diff --git a/src/python/grpcio_csm_observability/grpc_version.py b/src/python/grpcio_csm_observability/grpc_version.py
index 5f4a5c4de8f..dc5bed153e4 100644
--- a/src/python/grpcio_csm_observability/grpc_version.py
+++ b/src/python/grpcio_csm_observability/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_csm_observability/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
diff --git a/src/python/grpcio_health_checking/grpc_version.py b/src/python/grpcio_health_checking/grpc_version.py
index e85a13a2db1..bf9a787d891 100644
--- a/src/python/grpcio_health_checking/grpc_version.py
+++ b/src/python/grpcio_health_checking/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_health_checking/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
diff --git a/src/python/grpcio_observability/grpc_version.py b/src/python/grpcio_observability/grpc_version.py
index 94f6ed339cf..de10177d817 100644
--- a/src/python/grpcio_observability/grpc_version.py
+++ b/src/python/grpcio_observability/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_observability/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
diff --git a/src/python/grpcio_reflection/grpc_version.py b/src/python/grpcio_reflection/grpc_version.py
index 3188e99131d..0993c4a263f 100644
--- a/src/python/grpcio_reflection/grpc_version.py
+++ b/src/python/grpcio_reflection/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_reflection/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
diff --git a/src/python/grpcio_status/grpc_version.py b/src/python/grpcio_status/grpc_version.py
index b8977a4bf0b..90caee7f2d0 100644
--- a/src/python/grpcio_status/grpc_version.py
+++ b/src/python/grpcio_status/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_status/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
diff --git a/src/python/grpcio_testing/grpc_version.py b/src/python/grpcio_testing/grpc_version.py
index 289ca84aaa3..f3af99c6478 100644
--- a/src/python/grpcio_testing/grpc_version.py
+++ b/src/python/grpcio_testing/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_testing/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
diff --git a/src/python/grpcio_tests/grpc_version.py b/src/python/grpcio_tests/grpc_version.py
index a5c243e7c90..53013d83e2b 100644
--- a/src/python/grpcio_tests/grpc_version.py
+++ b/src/python/grpcio_tests/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/src/python/grpcio_tests/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
diff --git a/src/ruby/lib/grpc/version.rb b/src/ruby/lib/grpc/version.rb
index a36b7ff6d23..e74d4085150 100644
--- a/src/ruby/lib/grpc/version.rb
+++ b/src/ruby/lib/grpc/version.rb
@@ -14,5 +14,5 @@
 
 # GRPC contains the General RPC module.
 module GRPC
-  VERSION = '1.67.0.dev'
+  VERSION = '1.68.0.dev'
 end
diff --git a/src/ruby/nativedebug/version.rb b/src/ruby/nativedebug/version.rb
index bfd6738d998..87243691578 100644
--- a/src/ruby/nativedebug/version.rb
+++ b/src/ruby/nativedebug/version.rb
@@ -14,6 +14,6 @@
 
 module GRPC
   module NativeDebug
-    VERSION = '1.67.0.dev'
+    VERSION = '1.68.0.dev'
   end
 end
diff --git a/src/ruby/tools/version.rb b/src/ruby/tools/version.rb
index abfb5c3783e..3681d9147d2 100644
--- a/src/ruby/tools/version.rb
+++ b/src/ruby/tools/version.rb
@@ -14,6 +14,6 @@
 
 module GRPC
   module Tools
-    VERSION = '1.67.0.dev'
+    VERSION = '1.68.0.dev'
   end
 end
diff --git a/tools/distrib/python/grpc_version.py b/tools/distrib/python/grpc_version.py
index 0a2b4c0a17c..2bc64495fe9 100644
--- a/tools/distrib/python/grpc_version.py
+++ b/tools/distrib/python/grpc_version.py
@@ -14,5 +14,5 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/tools/distrib/python/grpcio_tools/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
 PROTOBUF_VERSION = '3.27.2'
diff --git a/tools/distrib/python/grpcio_tools/grpc_tools/grpc_version.py b/tools/distrib/python/grpcio_tools/grpc_tools/grpc_version.py
index 164aa76d02a..dc1b11d2874 100644
--- a/tools/distrib/python/grpcio_tools/grpc_tools/grpc_version.py
+++ b/tools/distrib/python/grpcio_tools/grpc_tools/grpc_version.py
@@ -14,4 +14,4 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/tools/distrib/python/grpcio_tools/grpc_tools/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
diff --git a/tools/distrib/python/grpcio_tools/grpc_version.py b/tools/distrib/python/grpcio_tools/grpc_version.py
index 85cac2659c3..66dd7d524fd 100644
--- a/tools/distrib/python/grpcio_tools/grpc_version.py
+++ b/tools/distrib/python/grpcio_tools/grpc_version.py
@@ -14,5 +14,5 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/tools/distrib/python/grpcio_tools/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
 PROTOBUF_VERSION = '3.27.2'
diff --git a/tools/distrib/python/xds_protos/grpc_version.py b/tools/distrib/python/xds_protos/grpc_version.py
index 978c2c572b6..ccf4716adfa 100644
--- a/tools/distrib/python/xds_protos/grpc_version.py
+++ b/tools/distrib/python/xds_protos/grpc_version.py
@@ -14,5 +14,5 @@
 
 # AUTO-GENERATED FROM `$REPO_ROOT/templates/tools/distrib/python/grpcio_tools/grpc_version.py.template`!!!
 
-VERSION = '1.67.0.dev0'
+VERSION = '1.68.0.dev0'
 PROTOBUF_VERSION = '3.27.2'
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index 351040cc192..396a70209f2 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC C++"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.67.0-dev
+PROJECT_NUMBER         = 1.68.0-dev
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 75cba764be5..0332a7ddb15 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC C++"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.67.0-dev
+PROJECT_NUMBER         = 1.68.0-dev
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/tools/doxygen/Doxyfile.objc b/tools/doxygen/Doxyfile.objc
index b8ac808811b..d81be1bba3c 100644
--- a/tools/doxygen/Doxyfile.objc
+++ b/tools/doxygen/Doxyfile.objc
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC Objective-C"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.67.0-dev
+PROJECT_NUMBER         = 1.68.0-dev
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/tools/doxygen/Doxyfile.objc.internal b/tools/doxygen/Doxyfile.objc.internal
index 0a95c92d783..8da26876bcf 100644
--- a/tools/doxygen/Doxyfile.objc.internal
+++ b/tools/doxygen/Doxyfile.objc.internal
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC Objective-C"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.67.0-dev
+PROJECT_NUMBER         = 1.68.0-dev
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/tools/doxygen/Doxyfile.php b/tools/doxygen/Doxyfile.php
index 3c8936d9dc2..ac29fc41039 100644
--- a/tools/doxygen/Doxyfile.php
+++ b/tools/doxygen/Doxyfile.php
@@ -40,7 +40,7 @@ PROJECT_NAME           = "GRPC PHP"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.67.0-dev
+PROJECT_NUMBER         = 1.68.0-dev
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a