diff --git a/nix/sources.json b/nix/sources.json
index e49ccf8..36acab9 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -29,10 +29,10 @@
         "homepage": "",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "943ec43e54f5152c4d5d8d0076e72beea9a7ff5a",
-        "sha256": "1amckm9gnh8jr3f34m67im3fwjf5mm262m4sbar24j1f066dsgil",
+        "rev": "585e07a72aa50c06c523fc6037bb13441bd5c47b",
+        "sha256": "1c0rwbzpm3jbb2zii5qv5yqrhcw4zznf6b62xvv8014bz6wfj1hl",
         "type": "tarball",
-        "url": "https://github.com/nix-community/emacs-overlay/archive/943ec43e54f5152c4d5d8d0076e72beea9a7ff5a.tar.gz",
+        "url": "https://github.com/nix-community/emacs-overlay/archive/585e07a72aa50c06c523fc6037bb13441bd5c47b.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "emacs-so-long": {