diff --git a/python/ctrlboard/requirements.txt b/python/ctrlboard/requirements.txt
index 71ae8873..ff8476b2 100644
--- a/python/ctrlboard/requirements.txt
+++ b/python/ctrlboard/requirements.txt
@@ -4,7 +4,7 @@
 luma-oled==3.8.1
 Pillow==9.0.1
 RPi.GPIO==0.7.0
-protobuf==3.19.3
+protobuf==3.19.5
 unidecode==1.3.2
 smbus==1.1.post2