diff --git a/nix/sources.json b/nix/sources.json
index 07448bad..fa6033b5 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -171,10 +171,10 @@
         "homepage": null,
         "owner": "arcnmx",
         "repo": "tf-nix",
-        "rev": "cbd3eb1d66bd701ab9113748180a107027f6f71a",
-        "sha256": "1xy3n8a145z5gnslilz9j3axzyblyf4x2pbbvjf7b5zhydb00wf9",
+        "rev": "5075a67154d58e72a68eb86f0277e9904979f0a7",
+        "sha256": "0ykshlh34widkaf45afzynqldh03hspx0kxlmlv6ka354is5iq44",
         "type": "tarball",
-        "url": "https://github.com/arcnmx/tf-nix/archive/cbd3eb1d66bd701ab9113748180a107027f6f71a.tar.gz",
+        "url": "https://github.com/arcnmx/tf-nix/archive/5075a67154d58e72a68eb86f0277e9904979f0a7.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }
diff --git a/overlays/exprs b/overlays/exprs
index 3872f4f2..fa797581 160000
--- a/overlays/exprs
+++ b/overlays/exprs
@@ -1 +1 @@
-Subproject commit 3872f4f23c60b2a398ed074d4db60c6344bdd500
+Subproject commit fa797581e3ec5139f25d22b8ec4e64cde5fe0257