diff --git a/pkgs/servers/varnish/modules.nix b/pkgs/servers/varnish/modules.nix
index a16d0b68f2e6..039ead256e56 100644
--- a/pkgs/servers/varnish/modules.nix
+++ b/pkgs/servers/varnish/modules.nix
@@ -39,7 +39,7 @@ in
 {
   modules15 = common {
     version = "0.15.1";
-    hash = "1lwgjhgr5yw0d17kbqwlaj5pkn70wvaqqjpa1i0n459nx5cf5pqj";
+    hash = "sha256-Et/iWOk2FWJBDOpKjNXm4Nh5i1SU4zVPaID7kh+Uj9M=";
   };
   modules23 = common {
     version = "0.23.0";