diff --git a/ChangeLog b/ChangeLog
index 1b4183a055..e431c45a0c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Apr 15 22:21:42 2013  Tanaka Akira  <akr@fsij.org>
+
+	* ext/fiddle/depend: New file.
+
 Mon Apr 15 22:01:02 2013  Akinori MUSHA  <knu@iDaemons.org>
 
 	* misc/ruby-electric.el (ruby-electric-insert): Check
diff --git a/ext/fiddle/depend b/ext/fiddle/depend
new file mode 100644
index 0000000000..e786dc71d2
--- /dev/null
+++ b/ext/fiddle/depend
@@ -0,0 +1,4 @@
+$(OBJS): $(HDRS) $(ruby_headers) \
+  $(hdrdir)/ruby/io.h \
+  $(hdrdir)/ruby/encoding.h \
+  $(hdrdir)/ruby/oniguruma.h