diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index eaf1ebe..d91a711 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -33,7 +33,7 @@ repos:
           - flake8-print
 # Using this mirror lets us use mypyc-compiled black, which is about 2x faster
 - repo: https://github.com/psf/black-pre-commit-mirror
-  rev: 23.11.0
+  rev: 23.12.0
   hooks:
     - id: black
 - repo: https://github.com/pre-commit/pygrep-hooks
@@ -41,7 +41,7 @@ repos:
   hooks:
   - id: rst-backticks
 - repo: https://github.com/PyCQA/isort
-  rev: 5.13.0
+  rev: 5.13.2
   hooks:
   - id: isort
 
diff --git a/tests/test_growth.py b/tests/test_growth.py
index 11fbfcb..2c91e39 100644
--- a/tests/test_growth.py
+++ b/tests/test_growth.py
@@ -28,7 +28,6 @@ def test_gf(z, gf, genf):
 
 @pytest.mark.parametrize("z", np.arange(0, 8, 0.5))
 def test_gr(z, gf, genf):
-    gf.growth_rate(z), genf.growth_rate(z)
     assert np.isclose(gf.growth_rate(z), genf.growth_rate(z), rtol=1e-2 + z / 100.0)