diff --git a/ChangeLog b/ChangeLog
index aa562be443..2e8b2b6c7e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Dec 22 12:26:18 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* cygwin/GNUmakefile.in (rubydll.def), win32/mkexports.rb
+	  (Exports#exports): added VERSION.
+
 Mon Dec 22 12:25:09 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* missing/vsnprintf.c (BSD_vfprintf): fix for test_sprintf_comb.rb, by
diff --git a/cygwin/GNUmakefile.in b/cygwin/GNUmakefile.in
index 081c927575..91a5e73c88 100644
--- a/cygwin/GNUmakefile.in
+++ b/cygwin/GNUmakefile.in
@@ -76,7 +76,7 @@ endif
 ifeq (@target_os@,cygwin)
 cygwin-$(RUBY_INSTALL_NAME)$(MAJOR)$(MINOR)$(TEENY).dll: $(LIBRUBY_A)
 	@NM@ --extern --defined $(LIBRUBY_A) | \
-	  $(MINIRUBY) -ne 'BEGIN{puts "EXPORTS"}; puts $$1+"=$(@F)."+$$1 if / [CDT] _(.*)$$/' >rubydll.def
+	  $(MINIRUBY) -ne 'BEGIN{puts "VERSION $(MAJOR).$(MINOR)","EXPORTS"}; puts $$1+"=$(@F)."+$$1 if / [CDT] _(.*)$$/' >rubydll.def
 	@DLLWRAP@ -s --def=rubydll.def -o $@
 	@rm -f rubydll.def
 endif
diff --git a/win32/mkexports.rb b/win32/mkexports.rb
index adf0c5e336..cd88e968a5 100755
--- a/win32/mkexports.rb
+++ b/win32/mkexports.rb
@@ -64,6 +64,7 @@ class Exports
       exports << "Library " + library
     end
     exports << "Description " + description.dump if description
+    exports << "VERSION #{RbConfig::CONFIG['MAJOR']}.#{RbConfig::CONFIG['MINOR']}"
     exports << "EXPORTS" << symbols()
     exports
   end
@@ -132,6 +133,10 @@ class Exports::Mingw < Exports
     @@nm ||= RbConfig::CONFIG["NM"]
   end
 
+  def exports(*)
+    super()
+  end
+
   def each_line(objs, &block)
     IO.foreach("|#{self.class.nm} --extern --defined #{objs.join(' ')}", &block)
   end