diff --git a/go.mod b/go.mod
index 81f8227..3eade05 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@
 	github.com/boguslaw-wojcik/crc32a v1.0.0
 	github.com/cevaris/ordered_map v0.0.0-20190319150403-3adeae072e73
 	github.com/gogo/protobuf v1.3.2
-	github.com/golang/protobuf v1.4.2
+	github.com/golang/protobuf v1.3.2
 	github.com/google/gopacket v1.1.17
 	github.com/looplab/fsm v0.1.0
 	github.com/opencord/omci-lib-go v0.15.4