diff --git a/default.nix b/default.nix
index 1572929..207d346 100644
--- a/default.nix
+++ b/default.nix
@@ -12,8 +12,8 @@ let
   mvn2nix = fetchFromGitHub {
       owner = "fzakaria";
       repo = "mvn2nix";
-      rev = "master";
-      hash = "sha256-v/HvYqzkPaGin1ujo+Fi59wXC9vWxW3lYVSwElORRi8=";
+      rev = "e27562cb6fc5b546eb8a3a6be79b7f1ac7676e4b";
+      hash = "sha256-5ZnRlGhWFD3U9AzCbZ7L8Yf2lTvO81dVv138nbqHEFI=";
     };
 
   repository = (pkgs.callPackage "${mvn2nix}/maven.nix" {}).buildMavenRepositoryFromLockFile {