diff --git a/adv_transformer/requirements.txt b/adv_transformer/requirements.txt
index 0f7fb6c..c843884 100644
--- a/adv_transformer/requirements.txt
+++ b/adv_transformer/requirements.txt
@@ -76,7 +76,7 @@ params-flow==0.8.2
 pipreqs==0.4.10
 plac==1.1.3
 preshed==3.0.2
-protobuf==3.12.2
+protobuf==3.18.3
 py-params==0.9.7
 pyasn1==0.4.8
 pyasn1-modules==0.2.8