diff --git a/version.h b/version.h
index 56249ede0e..d2e1561fb0 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.9.1"
-#define RUBY_RELEASE_DATE "2008-12-10"
+#define RUBY_RELEASE_DATE "2008-12-11"
 #define RUBY_VERSION_CODE 191
-#define RUBY_RELEASE_CODE 20081210
+#define RUBY_RELEASE_CODE 20081211
 #define RUBY_PATCHLEVEL 5000
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 1
 #define RUBY_RELEASE_YEAR 2008
 #define RUBY_RELEASE_MONTH 12
-#define RUBY_RELEASE_DAY 10
+#define RUBY_RELEASE_DAY 11
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];