diff --git a/(1)TutorialPython_IPYTHON/requirements.txt b/(1)TutorialPython_IPYTHON/requirements.txt
index 1f85101..5cc147e 100644
--- a/(1)TutorialPython_IPYTHON/requirements.txt
+++ b/(1)TutorialPython_IPYTHON/requirements.txt
@@ -75,7 +75,7 @@ ply==3.11
 posix-ipc==1.0.4
 prometheus-client==0.7.1
 prompt-toolkit==2.0.9
-protobuf==3.9.0
+protobuf==3.18.3
 ptyprocess==0.6.0
 py==1.8.0
 py-cpuinfo==5.0.0