diff --git a/.zlib.metadata b/.zlib.metadata
new file mode 100644
index 0000000..597ffcb
--- /dev/null
+++ b/.zlib.metadata
@@ -0,0 +1 @@
+e1cb0d5c92da8e9a8c2635dfa249c341dfd00322 zlib-1.2.11.tar.xz
diff --git a/zlib.spec b/zlib.spec
index 178750b..dba4101 100644
--- a/zlib.spec
+++ b/zlib.spec
@@ -2,7 +2,7 @@
 
 Name:    zlib
 Version: 1.2.11
-Release: 39%{?dist}
+Release: 40%{?dist}
 Summary: Compression and decompression library
 # /contrib/dotzlib/ have Boost license
 License: zlib and Boost