diff --git a/flake.lock b/flake.lock
index 96976854fd9..75dfecab7da 100644
--- a/flake.lock
+++ b/flake.lock
@@ -115,11 +115,11 @@
     "haskell-nix": {
       "flake": false,
       "locked": {
-        "lastModified": 1633482884,
-        "narHash": "sha256-zs3lqDn6fxTpBDClUbsNFEwSoad2G4QLzvTptQYzVL8=",
+        "lastModified": 1633922481,
+        "narHash": "sha256-Ee9S11NyZPkIg8Q7Bzu2G8wGLPAY0fa06s1i0+57SH0=",
         "owner": "input-output-hk",
         "repo": "haskell.nix",
-        "rev": "b0f217b5954e445d90ce4ac70cf82a62093052cd",
+        "rev": "9abb33be43405a9c14ce1734eab99db0c0f4639f",
         "type": "github"
       },
       "original": {