diff --git a/mateamt.nix b/mateamt.nix
index c71a130..71c82f4 100644
--- a/mateamt.nix
+++ b/mateamt.nix
@@ -3,9 +3,16 @@
 with pkgs;
 let
   mateamt = haskellPackages.callPackage <mateamt/shell.nix>;
+  ghcBlacklist = [
+    "ghc822"
+    "ghc844"
+    "ghc881"
+    "ghcHEAD"
+  ];
   ghcVersions =
     builtins.filter (p:
-      p == "ghcHEAD" || builtins.match "ghc[[:digit:]]+" p != null
+      (p == "ghcHEAD" || builtins.match "ghc[[:digit:]]+" p != null) &&
+      (!builtins.elem p ghcBlacklist)
     ) (builtins.attrNames haskell.packages);
 in