diff --git a/version.h b/version.h
index d82433cfe6..ccdb688e1a 100644
--- a/version.h
+++ b/version.h
@@ -1,14 +1,14 @@
 #define RUBY_VERSION "1.8.4"
-#define RUBY_RELEASE_DATE "2006-04-19"
+#define RUBY_RELEASE_DATE "2006-04-21"
 #define RUBY_VERSION_CODE 184
-#define RUBY_RELEASE_CODE 20060419
+#define RUBY_RELEASE_CODE 20060421
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8
 #define RUBY_VERSION_TEENY 4
 #define RUBY_RELEASE_YEAR 2006
 #define RUBY_RELEASE_MONTH 4
-#define RUBY_RELEASE_DAY 19
+#define RUBY_RELEASE_DAY 21
 
 RUBY_EXTERN const char ruby_version[];
 RUBY_EXTERN const char ruby_release_date[];