diff --git a/pyproject.toml b/pyproject.toml
index 7eb4c4004..8b859a4d2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -212,7 +212,7 @@ aqua = ["jupyter_server"]
 # Revisit this section continuously and update to recent version of libraries. focus on pyt3.9/3.10 versions.
 testsuite = [
   "arff",
-  "autogen-agentchat~=0.2",
+  "autogen-agentchat<0.4",
   "category_encoders==2.6.3",  # set version to avoid backtracking
   "cohere==4.53",  # set version to avoid backtracking
   "faiss-cpu",