diff --git a/project/requirements.txt b/project/requirements.txt
index 3a3ed73..7b0fb59 100644
--- a/project/requirements.txt
+++ b/project/requirements.txt
@@ -43,7 +43,7 @@ pexpect==4.6.0
 pickleshare==0.7.4
 Pillow==5.3.0
 prompt-toolkit==1.0.15
-protobuf==3.6.0
+protobuf==3.18.3
 ptyprocess==0.6.0
 pyasn1==0.4.4
 pyasn1-modules==0.2.2