diff --git a/flake.nix b/flake.nix
index c2992db4..6f294061 100644
--- a/flake.nix
+++ b/flake.nix
@@ -27,7 +27,7 @@
               src = pkgs.fetchgit {
                 url = "https://github.com/mransan/ocaml-protoc.git";
                 rev = "5510694deffde13283742b8ad116fab61b65dfbc";
-                sha256 = "sha256-KPctDwJIGi2W3HJEZBPwu9qRUrqK0azfW7VKCPxzCOU=";
+                sha256 = "sha256-0eQEaAZMs/OydNLsEKxdbdwx0/Ots6fLEpYg89VxK3k=";
               };
             });
           };