diff --git a/overlay.nix b/overlay.nix
index e75e6d3307430121d145a88732feb12d135975d2..93e30848cc6fae97972edfb1c6b08c3e2b90ef2b 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -179,6 +179,8 @@ final: prev: with pkgs.haskell.lib; {
 
   proteaaudio-sdl = doJailbreak prev.proteaaudio-sdl;
 
+  quickcheck-dynamic = prev.callHackage "quickcheck-dynamic" "1.1.0" { };
+
   quickcheck-instances = doJailbreak prev.quickcheck-instances;
 
   retry = dontCheck prev.retry;