diff --git a/pkgs/development/tools/protoc-gen-twirp_php/default.nix b/pkgs/development/tools/protoc-gen-twirp_php/default.nix
index df5afac2dbb2..4cb6ce66b325 100644
--- a/pkgs/development/tools/protoc-gen-twirp_php/default.nix
+++ b/pkgs/development/tools/protoc-gen-twirp_php/default.nix
@@ -2,13 +2,13 @@
 
 buildGoModule rec {
   pname = "protoc-gen-twirp_php";
-  version = "0.8.0";
+  version = "0.8.1";
 
   # fetchFromGitHub currently not possible, because go.mod and go.sum are export-ignored
   src = fetchgit {
     url = "https://github.com/twirphp/twirp.git";
     rev = "v${version}";
-    sha256 = "sha256-TaHfyYoWsA/g5xZFxIMNwE1w6Dd9Cq5bp1gpQudYLs0=";
+    sha256 = "sha256-5PACgKqc8rWqaA6Syj5NyxHm3827yd67tm0mwVSMnWQ=";
   };
 
   vendorSha256 = "sha256-qQFlBviRISEnPBt0q5391RqUrPTI/QDxg3MNfwWE8MI=";