diff --git a/version.h b/version.h
index 8f2d7adc03..eb544d8d6c 100644
--- a/version.h
+++ b/version.h
@@ -1,14 +1,14 @@
 #define RUBY_VERSION "1.8.4"
-#define RUBY_RELEASE_DATE "2006-05-27"
+#define RUBY_RELEASE_DATE "2006-06-01"
 #define RUBY_VERSION_CODE 184
-#define RUBY_RELEASE_CODE 20060527
+#define RUBY_RELEASE_CODE 20060601
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8
 #define RUBY_VERSION_TEENY 4
 #define RUBY_RELEASE_YEAR 2006
-#define RUBY_RELEASE_MONTH 5
-#define RUBY_RELEASE_DAY 27
+#define RUBY_RELEASE_MONTH 6
+#define RUBY_RELEASE_DAY 1
 
 RUBY_EXTERN const char ruby_version[];
 RUBY_EXTERN const char ruby_release_date[];