diff --git a/my_sentiment_analysis/No_pretrained/requirements.txt b/my_sentiment_analysis/No_pretrained/requirements.txt
index 0e7e736..c897aa1 100644
--- a/my_sentiment_analysis/No_pretrained/requirements.txt
+++ b/my_sentiment_analysis/No_pretrained/requirements.txt
@@ -121,7 +121,7 @@ plac==0.9.6
 preshed==2.0.1
 prometheus-client==0.5.0
 prompt-toolkit==2.0.7
-protobuf==3.6.1
+protobuf==3.15.0
 psutil==5.4.8
 py-cpuinfo==4.0.0
 pyasn1==0.4.5