diff --git a/pyproject.toml b/pyproject.toml
index ab89e0f..cdd366c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ classifiers = [
 dependencies = [
     "bt-test-interfaces>=0.0.6",
     "bumble>=0.0.199",
-    "protobuf==4.24.2",
+    "protobuf==4.25.8",
     "grpcio>=1.62.1",
     "mobly==1.12.2",
     "portpicker>=1.5.2",