diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index ce48c3578039..323ce73e9c11 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1556,4 +1556,8 @@ self: super: {
   # https://github.com/jaspervdj/profiteur/issues/33
   profiteur = doJailbreak super.profiteur;
 
+  # Test suite has overly strict bounds on tasty.
+  # https://github.com/input-output-hk/nothunks/issues/9
+  nothunks = doJailbreak super.nothunks;
+
 } // import ./configuration-tensorflow.nix {inherit pkgs haskellLib;} self super
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
index e95cbec143f4..04ee28831eca 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
@@ -8331,7 +8331,6 @@ broken-packages:
   - NoSlow
   - not-gloss-examples
   - notcpp
-  - nothunks
   - notifications-tray-icon
   - notmuch-haskell
   - notmuch-web