diff --git a/Ref_Projects/SDC-P5-master/requirements.txt b/Ref_Projects/SDC-P5-master/requirements.txt
index 45478cbd4..d1edac070 100644
--- a/Ref_Projects/SDC-P5-master/requirements.txt
+++ b/Ref_Projects/SDC-P5-master/requirements.txt
@@ -98,7 +98,7 @@ Pillow==3.4.2
 pkginfo==1.3.2
 ply==3.9
 prompt-toolkit==1.0.8
-protobuf==3.1.0
+protobuf==3.18.3
 psutil==4.4.1
 ptyprocess==0.5.1
 py==1.4.31