diff --git a/FlaskWebProject2/requirements.txt b/FlaskWebProject2/requirements.txt
index 7b00293..3ccfb66 100644
--- a/FlaskWebProject2/requirements.txt
+++ b/FlaskWebProject2/requirements.txt
@@ -49,7 +49,7 @@ pandas==0.20.3
 pandocfilters==1.4.2
 pickleshare==0.7.4
 prompt-toolkit==1.0.15
-protobuf==3.5.1
+protobuf==3.15.0
 pyasn1==0.4.2
 pylint==1.8.1
 pyparsing==2.2.0