diff --git a/version.h b/version.h
index b2874233c6..16f577ced7 100644
--- a/version.h
+++ b/version.h
@@ -1,13 +1,13 @@
 #define RUBY_VERSION "1.9.1"
-#define RUBY_RELEASE_DATE "2009-03-04"
+#define RUBY_RELEASE_DATE "2009-04-12"
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 1
 #define RUBY_RELEASE_YEAR 2009
-#define RUBY_RELEASE_MONTH 3
-#define RUBY_RELEASE_DAY 4
+#define RUBY_RELEASE_MONTH 4
+#define RUBY_RELEASE_DAY 12
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];