diff --git a/python/packages/kagent-core/pyproject.toml b/python/packages/kagent-core/pyproject.toml
index c792c2240..63d5b16c1 100644
--- a/python/packages/kagent-core/pyproject.toml
+++ b/python/packages/kagent-core/pyproject.toml
@@ -12,7 +12,7 @@ dependencies = [
   "a2a-sdk[http-server]>=0.3.23",
   "opentelemetry-api>=1.38.0,<1.39.0",
   "opentelemetry-sdk>=1.38.0,<1.39.0",
-  "opentelemetry-exporter-otlp-proto-grpc>=1.38.0,<1.39.0",
+  "opentelemetry-exporter-otlp-proto-grpc>=1.38.0,<1.42.0",
   "opentelemetry-instrumentation-openai>=0.52.5",
   "opentelemetry-instrumentation-anthropic>=0.52.5",
   "opentelemetry-instrumentation-httpx >= 0.52.0",