diff --git a/setup.py b/setup.py
index 069651780f..89cb5a080b 100644
--- a/setup.py
+++ b/setup.py
@@ -74,7 +74,7 @@ def get_version() -> str:
         "urllib3<2.0",  # VCR.py broken with urllib3 2.0 (see https://urllib3.readthedocs.io/en/stable/v2-migration-guide.html)
         "soundfile",
         "Pillow",
-        "gradio",  # to test webhooks
+        "gradio>=4.0.0",  # to test webhooks # pin to avoid issue on Python3.12
         "numpy",  # for embeddings
         "fastapi",  # To build the documentation
     ]
diff --git a/src/huggingface_hub/hub_mixin.py b/src/huggingface_hub/hub_mixin.py
index 1e77fffb6b..4c504f26d0 100644
--- a/src/huggingface_hub/hub_mixin.py
+++ b/src/huggingface_hub/hub_mixin.py
@@ -17,6 +17,8 @@
     Union,
 )
 
+import packaging.version
+
 from . import constants
 from .errors import EntryNotFoundError, HfHubHTTPError
 from .file_download import hf_hub_download
@@ -41,7 +43,6 @@
     import torch  # type: ignore
 
 if is_safetensors_available():
-    import packaging.version
     import safetensors
     from safetensors.torch import load_model as load_model_as_safetensor
     from safetensors.torch import save_model as save_model_as_safetensor