diff --git a/Rakefile b/Rakefile
index 3badb32558d2e..0a2b77e7a1d2a 100644
--- a/Rakefile
+++ b/Rakefile
@@ -51,11 +51,11 @@ $DEBUG = true if ENV['debug'] == 'true'
 verbose($DEBUG)
 
 def release_version
-  '4.12'
+  '4.13'
 end
 
 def version
-  "#{release_version}.1"
+  "#{release_version}.0-SNAPSHOT"
 end
 
 # The build system used by webdriver is layered on top of rake, and we call it
diff --git a/java/version.bzl b/java/version.bzl
index 996eb0c4b58b5..44a6c47adddf6 100644
--- a/java/version.bzl
+++ b/java/version.bzl
@@ -1,2 +1,2 @@
-SE_VERSION = "4.12.1"
+SE_VERSION = "4.13.0-SNAPSHOT"
 TOOLS_JAVA_VERSION = "17"