diff --git a/go/Gopkg.toml b/go/Gopkg.toml
new file mode 100644
index 0000000..cce8d99
--- /dev/null
+++ b/go/Gopkg.toml
@@ -0,0 +1,7 @@
+[[constraint]]
+  name = "github.com/golang/protobuf"
+  version = "^1.1.0"
+
+[prune]
+  go-tests = true
+  unused-packages = true