diff --git a/gen/pb-rust/Cargo.lock b/gen/pb-rust/Cargo.lock
index d73a1e59..469782b6 100644
--- a/gen/pb-rust/Cargo.lock
+++ b/gen/pb-rust/Cargo.lock
@@ -414,7 +414,7 @@ dependencies = [
 
 [[package]]
 name = "sigstore_protobuf_specs"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "anyhow",
  "glob",