diff --git a/setup.py b/setup.py
index c06325f..f5a72de 100644
--- a/setup.py
+++ b/setup.py
@@ -43,6 +43,8 @@ def get_current_version_tag():
     setup_requires=["wheel"],
     install_requires=[
         "asyncio",
+        "protobuf==3.19.5",
+        "betterproto==2.0.0b5",
         "opentelemetry-api",
         "opentelemetry-sdk",
         "opentelemetry-exporter-otlp-proto-grpc",