diff --git a/nix/sources.json b/nix/sources.json
index 639c1bada473289329622481827e5273c91d9aa9..658a129cece37115b20115201342083508e51732 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -29,10 +29,10 @@
         "homepage": "",
         "owner": "DavHau",
         "repo": "pypi-deps-db",
-        "rev": "856d67ab093a68425c3896ec2961cea3b95ae93f",
-        "sha256": "0a7avm4xvm454gxy4dq0fc19j3f9ik8gf3kjpsqhszfkamrn9y0p",
+        "rev": "a44853469d0d6bc65cd382f24e4e60ff59bd60b2",
+        "sha256": "1v5ynbkyl8x7nm28wxijhsgqdzxp84h36wa0xdnfz7fhk6ayfbf4",
         "type": "tarball",
-        "url": "https://github.com/DavHau/pypi-deps-db/archive/856d67ab093a68425c3896ec2961cea3b95ae93f.tar.gz",
+        "url": "https://github.com/DavHau/pypi-deps-db/archive/a44853469d0d6bc65cd382f24e4e60ff59bd60b2.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "release2105": {