diff --git a/version.h b/version.h
index 2e8bb3246d..6293ccf26c 100644
--- a/version.h
+++ b/version.h
@@ -1,4 +1,4 @@
-#define RUBY_VERSION "2.0.0"
+#define RUBY_VERSION "2.1.0"
 #define RUBY_RELEASE_DATE "2013-02-25"
 #define RUBY_PATCHLEVEL -1
 #define RUBY_BRANCH_NAME "trunk"