diff --git a/version.h b/version.h
index 80eafc8eb5..683d5f40e2 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.8.7"
-#define RUBY_RELEASE_DATE "2009-01-12"
+#define RUBY_RELEASE_DATE "2009-01-13"
 #define RUBY_VERSION_CODE 187
-#define RUBY_RELEASE_CODE 20090112
+#define RUBY_RELEASE_CODE 20090113
 #define RUBY_PATCHLEVEL 5000
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 7
 #define RUBY_RELEASE_YEAR 2009
 #define RUBY_RELEASE_MONTH 1
-#define RUBY_RELEASE_DAY 12
+#define RUBY_RELEASE_DAY 13
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];