diff --git a/Makefile b/Makefile
index 365dec3bf..474194239 100644
--- a/Makefile
+++ b/Makefile
@@ -145,7 +145,7 @@ install-protobuf:
 
 install-protobuild:
 	@echo "$(WHALE) $@"
-	@$(GO) install google.golang.org/protobuf/cmd/protoc-gen-go@v1.28
+	@$(GO) install google.golang.org/protobuf/cmd/protoc-gen-go@v1.28.1
 	@$(GO) install github.com/containerd/protobuild@14832ccc41429f5c4f81028e5af08aa233a219cf
 
 coverage: ## generate coverprofiles from the unit tests, except tests that require root
diff --git a/internal/test.pb.go b/internal/test.pb.go
index c50e3aeec..8e5a85bf1 100644
--- a/internal/test.pb.go
+++ b/internal/test.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.28.0
+// 	protoc-gen-go v1.28.1
 // 	protoc        v3.20.1
 // source: github.com/containerd/ttrpc/test.proto
 
diff --git a/request.pb.go b/request.pb.go
index 64e283c83..3921ae5a3 100644
--- a/request.pb.go
+++ b/request.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.28.0
+// 	protoc-gen-go v1.28.1
 // 	protoc        v3.20.1
 // source: github.com/containerd/ttrpc/request.proto