diff --git a/nix/sources.json b/nix/sources.json
index a4fb79ffaf80d6c31966860200d263ff20e7a362..613bb5ccbf7d278e42039b532075382a79e7abed 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "https://input-output-hk.github.io/haskell.nix",
         "owner": "input-output-hk",
         "repo": "haskell.nix",
-        "rev": "e95a1f0dacbc64603c31d11e36e4ba1af8f0eb43",
-        "sha256": "160cf7ha2c5wkbymy3h4skzw1l3x4i8dhj2arvq3bdz92gg1d6cb",
+        "rev": "23602c0d0f02317dd85f6a212f4d46e29bf8209b",
+        "sha256": "18x82sil36rlkx5p2ycsv07ygnaxys7rxrxh6c840s4r8p0w3das",
         "type": "tarball",
-        "url": "https://github.com/input-output-hk/haskell.nix/archive/e95a1f0dacbc64603c31d11e36e4ba1af8f0eb43.tar.gz",
+        "url": "https://github.com/input-output-hk/haskell.nix/archive/23602c0d0f02317dd85f6a212f4d46e29bf8209b.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "libchallenge_bypass_ristretto_ffi": {