diff --git a/overrides/default.nix b/overrides/default.nix
index 8c3556a3a..0e7483e1e 100644
--- a/overrides/default.nix
+++ b/overrides/default.nix
@@ -2772,6 +2772,7 @@ lib.composeManyExtensions [
         let
           # Watchfiles does not include Cargo.lock in tarball released on PyPi for versions up to 0.17.0
           getRepoHash = version: {
+            "0.20.0" = "sha256-eoKF6uBHgML63DrDlC1zPfDu/mAMoaevttwqHLCKh+M=";
             "0.19.0" = "sha256-NmmeoaIfFMNKCcjH6tPnkpflkN35bKlT76MqF9W8LBc=";
             "0.18.1" = "sha256-XEhu6M1hFi3/gAKZcei7KJSrIhhlZhlvZvbfyA6VLR4=";
             "0.18.0" = "sha256-biGGn0YAUbSO1hCJ4kU0ZWlqlXl/HRrBS3iIA3myRI8=";