diff --git a/nix/sources.json b/nix/sources.json
index f9e77e7..bcaf2ff 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -29,10 +29,10 @@
         "homepage": "",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "803ede582301c8ca260e18993204f19b26d406b5",
-        "sha256": "1vc07znzlpl5spajw1h09ggab3rqxdi91y5nvwmr5187bjiv6l5b",
+        "rev": "a65baf3d03b54cf9282c30cbcc5895e29be84ff2",
+        "sha256": "1b21b5xqqh7avhb240szhnj9d9b7ya02a8bf9pv2i2wx7dw37ikn",
         "type": "tarball",
-        "url": "https://github.com/nix-community/emacs-overlay/archive/803ede582301c8ca260e18993204f19b26d406b5.tar.gz",
+        "url": "https://github.com/nix-community/emacs-overlay/archive/a65baf3d03b54cf9282c30cbcc5895e29be84ff2.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "emacs-so-long": {