diff --git a/buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy b/buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy
index 3f690d25446a6..be9f990088990 100644
--- a/buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy
+++ b/buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy
@@ -244,7 +244,7 @@ class BeamModulePlugin implements Plugin<Project> {
 
     // Automatically use the official release version if we are performing a release
     // otherwise append '-SNAPSHOT'
-    project.version = '2.8.0'
+    project.version = '2.9.0'
     if (!isRelease(project)) {
       project.version += '-SNAPSHOT'
     }
diff --git a/gradle.properties b/gradle.properties
index ba6555aebdd30..7805e52c911a1 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -22,4 +22,4 @@ offlineRepositoryRoot=offline-repository
 signing.gnupg.executable=gpg
 signing.gnupg.useLegacyGpg=true
 
-version=2.8.0-SNAPSHOT
+version=2.9.0-SNAPSHOT
diff --git a/sdks/python/apache_beam/version.py b/sdks/python/apache_beam/version.py
index 48d221a5c27fb..c2ae126f1e611 100644
--- a/sdks/python/apache_beam/version.py
+++ b/sdks/python/apache_beam/version.py
@@ -18,4 +18,4 @@
 """Apache Beam SDK version information and utilities."""
 
 
-__version__ = '2.8.0.dev'
+__version__ = '2.9.0.dev'