diff --git a/notebook/agentchat_microsoft_fabric.ipynb b/notebook/agentchat_microsoft_fabric.ipynb
index 225000146786..407a882b7f87 100644
--- a/notebook/agentchat_microsoft_fabric.ipynb
+++ b/notebook/agentchat_microsoft_fabric.ipynb
@@ -226,7 +226,7 @@
    "outputs": [],
    "source": [
     "# autogen-agentchat>0.1.14 supports openai>=1\n",
-    "%pip install \"autogen-agentchat~=0.2\" \"openai>1\" -q"
+    "%pip install \"autogen-agentchat~=0.2\" \"openai>1\" \"httpx==0.27.2\" -q"
    ]
   },
   {