diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e22644cc74d3247df5d9c8371cc63df17e467c7a..89fb733f772f3e557fb0c224b40f13eb5a430e46 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -35,7 +35,7 @@ cabal-build-and-test:
     # shortcoming of this approach is that the cache will grow without bounds
     # as our dependencies change.  It would be nice if there were a way to
     # trim stale dependencies from it periodically.
-    key: "v0-cabal"
+    key: "v1-cabal"
 
     # Even if a build fails (eg because of a test suite failure or because the
     # job timed out because building things took too long), there will be
diff --git a/flake.nix b/flake.nix
index 153768b55982c4d870e328e9a17415bdc6a99eb5..cf11745cac34b20c94bcf9f18f75b3278074167e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -84,7 +84,7 @@
               export PKG_CONFIG_PATH=${pkgs.lib.makeSearchPath "lib/pkgconfig" [pkgs.zlib.dev]}
 
               find .
-              ghc-pkg check --package-db .cabal/store/ghc-8.10.7/package.db
+              # ghc-pkg check --package-db .cabal/store/ghc-8.10.7/package.db
               cabal update hackage.haskell.org
               cabal run tests
             '';