diff --git a/containers/shower/default.nix b/containers/shower/default.nix
index 4d055bf..e2d369d 100644
--- a/containers/shower/default.nix
+++ b/containers/shower/default.nix
@@ -148,7 +148,7 @@ let
     outputHashAlgo = "sha256";
     # Pinned dep closure — reproducible until version bumps. To recompute,
     # set to pkgs.lib.fakeHash and read the failure.
-    outputHash = pkgs.lib.fakeHash;
+    outputHash = "sha256-kTNOswobtkgyQmmqbQM8XO4vvaGg57nCuuZGbNXb0NM=";
 
     dontFixup = true;
   };