diff --git a/build/proto_docs/tools.go b/build/proto_docs/tools.go
new file mode 100644
index 0000000..56130ea
--- /dev/null
+++ b/build/proto_docs/tools.go
@@ -0,0 +1,8 @@
+//go:build tools
+// +build tools
+
+package proto_docs
+
+import (
+	_ "github.com/pseudomuto/protoc-gen-doc/cmd/protoc-gen-doc"
+)