diff --git a/IntermediateAdvancedPythonExamples/requirements.txt b/IntermediateAdvancedPythonExamples/requirements.txt
index 5d458df..4df0455 100644
--- a/IntermediateAdvancedPythonExamples/requirements.txt
+++ b/IntermediateAdvancedPythonExamples/requirements.txt
@@ -12,7 +12,7 @@ mysql==0.0.2
 mysql-connector-python==8.0.17
 mysqlclient==1.4.2.post1
 numpy==1.17.0
-protobuf==3.9.0
+protobuf==3.18.3
 pyparsing==2.4.2
 python-dateutil==2.8.0
 requests==2.22.0