diff --git a/requirements.txt b/requirements.txt
index 35ef30b..f6b9936 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -80,7 +80,7 @@ pillow==11.3.0
 platformdirs==4.3.8
 pluggy==1.6.0
 propcache==0.3.2
-protobuf==6.31.1
+protobuf==6.33.5
 psutil==7.0.0
 py-cpuinfo==9.0.0
 PyChromecast==14.0.7