[Python] Jupyter kernel doesn't use Poetry environment

I'm trying to install a Jupyter kernel for my poetry environment, but it seems like the kernel gets my base conda environment. Here's what I'm trying:

poetry env list
>ENV_NAME-HASH-py3.9 (Activated)

poetry run which python
>/Users/myusername/Library/Caches/pypoetry/virtualenvs/ENV_NAME-HASH-py3.9/bin/python

poetry run ipython kernel install --name=ENV_NAME
>Installed kernelspec ENV_NAME in /Users/myusername/Library/Jupyter/kernels/ENV_NAME


Then if I open a Jupyter with this kernel I don't get the libraries that should be installed. Checking the Python version I get:

!which python
/Users/myusername/opt/anaconda3/bin/python


Any help appreaciated!

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