diff --git a/version.h b/version.h
index 6ca820ceb7..b3a135fc04 100644
--- a/version.h
+++ b/version.h
@@ -1,15 +1,15 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2008-01-31"
+#define RUBY_RELEASE_DATE "2008-02-01"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20080131
+#define RUBY_RELEASE_CODE 20080201
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2008
-#define RUBY_RELEASE_MONTH 1
-#define RUBY_RELEASE_DAY 31
+#define RUBY_RELEASE_MONTH 2
+#define RUBY_RELEASE_DAY 1
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];