diff --git a/.github/actions/poetry_setup/action.yml b/.github/actions/poetry_setup/action.yml
index 68b099f0e55..d15ec957844 100644
--- a/.github/actions/poetry_setup/action.yml
+++ b/.github/actions/poetry_setup/action.yml
@@ -55,11 +55,13 @@ runs:
         # Refresh the shell hashtable, to ensure correct `which` output.
         hash -r
 
+        PYTHON_MAJOR_MINOR=$(echo "$PYTHON_VERSION" | sed -E 's/^([0-9]+\.[0-9]+).*/\1/')
+
         # `actions/cache@v3` doesn't always seem able to correctly unpack softlinks.
         # Delete and recreate the softlinks pipx expects to have.
         rm /opt/pipx/venvs/poetry/bin/python
         cd /opt/pipx/venvs/poetry/bin
-        ln -s "$(which "python$PYTHON_VERSION")" python
+        ln -s "$(which "python$PYTHON_MAJOR_MINOR")" python
         chmod +x python
         cd /opt/pipx_bin/
         ln -s /opt/pipx/venvs/poetry/bin/poetry poetry