diff --git a/installers/nix-setup-template.sh b/installers/nix-setup-template.sh
index 32fa2326..60c3010e 100644
--- a/installers/nix-setup-template.sh
+++ b/installers/nix-setup-template.sh
@@ -50,7 +50,7 @@ chmod +x ../python $PYTHON_MAJOR $PYTHON_MAJOR_DOT_MINOR $PYTHON_MAJORMINOR pyth
 
 echo "Upgrading pip..."
 ./python -m ensurepip
-./python -m pip install --ignore-installed pip --disable-pip-version-check --no-warn-script-location --root-user-action=ignore
+./python -m pip install --upgrade pip --disable-pip-version-check --no-warn-script-location --root-user-action=ignore
 
 echo "Create complete file"
 touch $PYTHON_TOOLCACHE_VERSION_PATH/x64.complete