diff --git a/ChangeLog b/ChangeLog
index c52f31642d..4bed5d2158 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Dec 27 10:03:14 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* enc/depend (enc, trans): fix version dependency, shared object
+	  files depend on the RUBY_SO_NAME value for runtime link.
+
 Sun Dec 27 09:47:20 2015  Masaki Suketa <masaki.suketa@nifty.ne.jp>
 
 	* ext/win32ole/win32ole.c (ole_vstr2wc, ole_variant2val): fix blank
diff --git a/enc/depend b/enc/depend
index 39a26a7b76..e0f760b113 100644
--- a/enc/depend
+++ b/enc/depend
@@ -74,6 +74,8 @@ $(LIBTRANS): $(TRANSOBJS)
 	$(Q) $(AR) $(ARFLAGS)$@ $(TRANSOBJS)
 	@-$(RANLIB) $@ 2> /dev/null || true
 
+enc trans $(ENCSOS) $(TRANSSOS): enc.mk
+
 srcs: $(TRANSCSRCS)
 
 <%=transvpath_prefix%>.trans<%=transvpath_prefix%>.c: