diff --git a/version.h b/version.h
index f184694874..f2ab1138e4 100644
--- a/version.h
+++ b/version.h
@@ -1,4 +1,4 @@
 #define RUBY_VERSION "1.6.6"
-#define RUBY_RELEASE_DATE "2002-01-10"
+#define RUBY_RELEASE_DATE "2002-01-11"
 #define RUBY_VERSION_CODE 166
-#define RUBY_RELEASE_CODE 20020110
+#define RUBY_RELEASE_CODE 20020111