diff --git a/spotkania/2020-07-09/requirements.txt b/spotkania/2020-07-09/requirements.txt
index 42fdd1c..66db16f 100644
--- a/spotkania/2020-07-09/requirements.txt
+++ b/spotkania/2020-07-09/requirements.txt
@@ -54,7 +54,7 @@ pickleshare==0.7.5
 Pillow==7.2.0
 prometheus-client==0.8.0
 prompt-toolkit==3.0.5
-protobuf==3.12.2
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pycparser==2.20