diff --git a/requirements.txt b/requirements.txt
index 06db25e2..bb71c444 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ numpy==2.3.2; python_version >= '3.11'
 numpy==2.2.6; python_version == '3.10'
 numpy==2.0.2; python_version == '3.9'
 pillow==11.3.0
-protobuf==3.19.4
+protobuf==4.25.8
 pyopengl==3.1.10
 pyparsing==3.2.3
 pytest==8.4.1