diff --git a/nix/sources.json b/nix/sources.json
index d9ebad6..d5e65e1 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -29,10 +29,10 @@
         "homepage": "",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "5d36f14d62da38e5f71c4dcc151ecbaa9feffbbc",
-        "sha256": "1nj5flxc9xwl9v9ay2d60z4gash37ppb1g66fwf9gmf54dyb3xhn",
+        "rev": "5827ccc137b1558e74e6bf73108577b0eb401c0e",
+        "sha256": "0mxbaxynbmsmrh0ynwm1in9ifgiawmg5l74cbnwmbgbspbvr70fi",
         "type": "tarball",
-        "url": "https://github.com/nix-community/emacs-overlay/archive/5d36f14d62da38e5f71c4dcc151ecbaa9feffbbc.tar.gz",
+        "url": "https://github.com/nix-community/emacs-overlay/archive/5827ccc137b1558e74e6bf73108577b0eb401c0e.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "emacs-so-long": {