diff --git a/rel8.cabal b/rel8.cabal
index ccb9eae..67abec1 100644
--- a/rel8.cabal
+++ b/rel8.cabal
@@ -14,12 +14,9 @@ library
     , base ^>=4.12 || ^>= 4.13 || ^>= 4.14
     , bytestring
     , case-insensitive
-    , containers
     , contravariant
     , opaleye ^>= 0.7.1.0
     , postgresql-simple
-    , product-profunctors
-    , profunctors
     , scientific
     , text
     , time
diff --git a/shell.nix b/shell.nix
index 2d3117b..bbea057 100644
--- a/shell.nix
+++ b/shell.nix
@@ -6,6 +6,6 @@ in
   hsPkgs.shellFor {
     withHoogle = true;
     tools = { cabal = "3.2.0.0"; haskell-language-server = "latest"; };
-    exactDeps = true;
+    exactDeps = false;
     buildInputs = [ pkgs.postgresql ];
   }