diff --git a/version.h b/version.h
index 6772a81aa9..29158afa83 100644
--- a/version.h
+++ b/version.h
@@ -1,11 +1,11 @@
 #define RUBY_VERSION "1.8.0"
-#define RUBY_RELEASE_DATE "2003-05-19"
+#define RUBY_RELEASE_DATE "2003-05-20"
 #define RUBY_VERSION_CODE 180
-#define RUBY_RELEASE_CODE 20030519
+#define RUBY_RELEASE_CODE 20030520
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2003
 #define RUBY_RELEASE_MONTH 5
-#define RUBY_RELEASE_DAY 19
+#define RUBY_RELEASE_DAY 20