diff --git a/configure.ac b/configure.ac
index b68468e4e1..59bf7577dc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,7 +12,7 @@ AC_PREREQ(2.59)
 # In the SVN trunk, the version should always be the next anticipated release
 # version with the "-pre" suffix.  (We used to use "-SNAPSHOT" but this pushed
 # the size of one file name in the dist tarfile over the 99-char limit.)
-AC_INIT([Protocol Buffers],[3.0.0-pre],[protobuf@googlegroups.com],[protobuf])
+AC_INIT([Protocol Buffers],[3.0.0-alpha-2],[protobuf@googlegroups.com],[protobuf])
 
 AM_MAINTAINER_MODE([enable])
 
diff --git a/java/pom.xml b/java/pom.xml
index bbadc656f5..75d4c7f6e3 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -10,7 +10,7 @@
   </parent>
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-java</artifactId>
-  <version>3.0.0-pre</version>
+  <version>3.0.0-alpha-2</version>
   <packaging>bundle</packaging>
   <name>Protocol Buffer Java API</name>
   <description>
@@ -152,7 +152,7 @@
           <instructions>
             <Bundle-DocURL>https://developers.google.com/protocol-buffers/</Bundle-DocURL>
             <Bundle-SymbolicName>com.google.protobuf</Bundle-SymbolicName>
-            <Export-Package>com.google.protobuf;version=3.0.0-pre</Export-Package>
+            <Export-Package>com.google.protobuf;version=3.0.0-alpha-2</Export-Package>
           </instructions>
         </configuration>
       </plugin>
diff --git a/javanano/pom.xml b/javanano/pom.xml
index 409d8d6156..50056cd3be 100644
--- a/javanano/pom.xml
+++ b/javanano/pom.xml
@@ -10,7 +10,7 @@
   </parent>
   <groupId>com.google.protobuf.nano</groupId>
   <artifactId>protobuf-javanano</artifactId>
-  <version>2.6.2-pre</version>
+  <version>3.0.0-alpha-2</version>
   <packaging>bundle</packaging>
   <name>Protocol Buffer JavaNano API</name>
   <description>
@@ -156,7 +156,7 @@
           <instructions>
             <Bundle-DocURL>https://developers.google.com/protocol-buffers/</Bundle-DocURL>
             <Bundle-SymbolicName>com.google.protobuf</Bundle-SymbolicName>
-            <Export-Package>com.google.protobuf;version=2.6.2-pre</Export-Package>
+            <Export-Package>com.google.protobuf;version=3.0.0-alpha-2</Export-Package>
           </instructions>
         </configuration>
       </plugin>
diff --git a/python/setup.py b/python/setup.py
index cfe25cc0c1..45dd076162 100755
--- a/python/setup.py
+++ b/python/setup.py
@@ -163,7 +163,7 @@ if __name__ == '__main__':
         ))
 
   setup(name = 'protobuf',
-        version = '3.0.0-pre',
+        version = '3.0.0-alpha-2',
         packages = [ 'google' ],
         namespace_packages = [ 'google' ],
         test_suite = 'setup.MakeTestSuite',