diff --git a/version.h b/version.h
index b73bcad530..a338ce54df 100644
--- a/version.h
+++ b/version.h
@@ -1,10 +1,10 @@
 #define RUBY_VERSION "1.9.3"
 #define RUBY_PATCHLEVEL 27
 
-#define RUBY_RELEASE_DATE "2012-01-16"
+#define RUBY_RELEASE_DATE "2012-01-17"
 #define RUBY_RELEASE_YEAR 2012
 #define RUBY_RELEASE_MONTH 1
-#define RUBY_RELEASE_DAY 16
+#define RUBY_RELEASE_DAY 17
 
 #include "ruby/version.h"