diff --git a/Twitter/requirements.txt b/Twitter/requirements.txt
index 9f52419..41b799f 100644
--- a/Twitter/requirements.txt
+++ b/Twitter/requirements.txt
@@ -55,7 +55,7 @@ pickleshare==0.7.4
 Pillow==5.1.0
 pipreqs==0.4.9
 prompt-toolkit==1.0.15
-protobuf==3.6.0
+protobuf==3.15.0
 ptyprocess==0.6.0
 Pygments==2.2.0
 pyparsing==2.2.0