diff --git a/src/agents/pyproject.toml b/src/agents/pyproject.toml
index 3a10d23e..b19f1fcc 100644
--- a/src/agents/pyproject.toml
+++ b/src/agents/pyproject.toml
@@ -8,7 +8,8 @@ dependencies = [
     "livekit-plugins-deepgram==1.3.10",
     "livekit-plugins-silero==1.3.10",
     "livekit-plugins-kyutai-lasuite==0.0.6",
-    "python-dotenv==1.2.1"
+    "python-dotenv==1.2.1",
+    "protobuf==6.33.5"
 ]
 
 [project.optional-dependencies]