diff --git a/demos/samples_python/human_resources_agent/requirements.txt b/demos/samples_python/human_resources_agent/requirements.txt
index 9a108c37..aaaff081 100644
--- a/demos/samples_python/human_resources_agent/requirements.txt
+++ b/demos/samples_python/human_resources_agent/requirements.txt
@@ -4,6 +4,7 @@ slack-sdk
 typing
 pandas
 gradio==5.3.0
+huggingface_hub<1.0.0
 async_timeout==4.0.3
 loguru==0.7.2
 asyncio==3.4.3
diff --git a/demos/samples_python/multi_turn_rag_agent/requirements.txt b/demos/samples_python/multi_turn_rag_agent/requirements.txt
index a555b460..d6a88e83 100644
--- a/demos/samples_python/multi_turn_rag_agent/requirements.txt
+++ b/demos/samples_python/multi_turn_rag_agent/requirements.txt
@@ -3,6 +3,7 @@ uvicorn
 typing
 pandas
 gradio==5.3.0
+huggingface_hub<1.0.0
 async_timeout==4.0.3
 loguru==0.7.2
 asyncio==3.4.3
diff --git a/demos/samples_python/network_switch_operator_agent/requirements.txt b/demos/samples_python/network_switch_operator_agent/requirements.txt
index 8aa2003a..52913a01 100644
--- a/demos/samples_python/network_switch_operator_agent/requirements.txt
+++ b/demos/samples_python/network_switch_operator_agent/requirements.txt
@@ -4,6 +4,7 @@ pydantic
 typing
 pandas
 gradio==5.3.0
+huggingface_hub<1.0.0
 async_timeout==4.0.3
 loguru==0.7.2
 asyncio==3.4.3
diff --git a/demos/shared/chatbot_ui/requirements.txt b/demos/shared/chatbot_ui/requirements.txt
index da4ac00b..7d94088a 100644
--- a/demos/shared/chatbot_ui/requirements.txt
+++ b/demos/shared/chatbot_ui/requirements.txt
@@ -1,4 +1,5 @@
 gradio==5.3.0
+huggingface_hub<1.0.0
 async_timeout==4.0.3
 loguru==0.7.2
 asyncio==3.4.3