diff --git a/ChangeLog b/ChangeLog
index 8a718a670a..1b659eb6a0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+Mon May 19 16:13:57 2003  Minero Aoki  <aamine@loveruby.net>
+
+	* class.c: add #include "version.h".
+
+	* hash.c: ditto.
+
+	* string.c: ditto.
+
 Mon May 19 14:42:50 2003  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* object.c (rb_mod_cmp): stupid comparison fixed.
diff --git a/class.c b/class.c
index 298161860f..eaa84b9129 100644
--- a/class.c
+++ b/class.c
@@ -14,6 +14,7 @@
 #include "rubysig.h"
 #include "node.h"
 #include "st.h"
+#include "version.h"
 #include <ctype.h>
 
 extern st_table *rb_class_tbl;
diff --git a/hash.c b/hash.c
index a8eee549aa..5fadb3ee09 100644
--- a/hash.c
+++ b/hash.c
@@ -16,6 +16,7 @@
 #include "st.h"
 #include "util.h"
 #include "rubysig.h"
+#include "version.h"
 
 #ifdef __APPLE__
 #include <crt_externs.h>
diff --git a/string.c b/string.c
index 06f3292bfc..852a7238f6 100644
--- a/string.c
+++ b/string.c
@@ -14,6 +14,7 @@
 
 #include "ruby.h"
 #include "re.h"
+#include "version.h"
 
 #define BEG(no) regs->beg[no]
 #define END(no) regs->end[no]