diff --git a/pkgs/development/haskell-modules/cabal2nix-unstable.nix b/pkgs/development/haskell-modules/cabal2nix-unstable.nix
index e21c3e1629a1..0c12426434c5 100644
--- a/pkgs/development/haskell-modules/cabal2nix-unstable.nix
+++ b/pkgs/development/haskell-modules/cabal2nix-unstable.nix
@@ -8,10 +8,10 @@
 }:
 mkDerivation {
   pname = "cabal2nix";
-  version = "unstable-2022-07-17";
+  version = "unstable-2022-07-22";
   src = fetchzip {
-    url = "https://github.com/NixOS/cabal2nix/archive/6c6fa480dd535a8a6909b60e1130a6b5bfc2a2c4.tar.gz";
-    sha256 = "19dagxhj1aflhf19xab8yss5mia6kfpghn4h0na8zshqab8xxgrd";
+    url = "https://github.com/NixOS/cabal2nix/archive/e00ab24821be85cb025432f8e9c4ff56dbb00a81.tar.gz";
+    sha256 = "11a5l0fdj67bpqv30af4v5zxr3c7n9p81pfs4c0d3w65bmr9sa1y";
   };
   isLibrary = true;
   isExecutable = true;