diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6111d2a..470c59e 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,11 +1,11 @@
 repos:
 - repo: https://github.com/psf/black
-  rev: 22.8.0
+  rev: 23.3.0
   hooks:
   - id: black-jupyter
 
 - repo: https://github.com/pre-commit/pre-commit-hooks
-  rev: v4.3.0
+  rev: v4.4.0
   hooks:
   - id: check-added-large-files
   - id: check-case-conflict
@@ -19,7 +19,7 @@ repos:
   - id: trailing-whitespace
 
 - repo: https://github.com/pre-commit/pygrep-hooks
-  rev: v1.9.0
+  rev: v1.10.0
   hooks:
   - id: python-check-blanket-noqa
   - id: python-check-blanket-type-ignore
@@ -31,29 +31,29 @@ repos:
   - id: rst-inline-touching-normal
 
 - repo: https://github.com/PyCQA/isort
-  rev: 5.10.1
+  rev: 5.12.0
   hooks:
   - id: isort
 
 - repo: https://github.com/asottile/pyupgrade
-  rev: v2.38.0
+  rev: v3.8.0
   hooks:
   - id: pyupgrade
     args: ["--py36-plus"]
 
 - repo: https://github.com/asottile/setup-cfg-fmt
-  rev: v2.0.0
+  rev: v2.4.0
   hooks:
   - id: setup-cfg-fmt
 
 - repo: https://github.com/hadialqattan/pycln
-  rev: v2.1.1
+  rev: v2.1.5
   hooks:
   - id: pycln
     args: [--config=pyproject.toml]
 
 - repo: https://github.com/asottile/yesqa
-  rev: v1.4.0
+  rev: v1.5.0
   hooks:
   - id: yesqa
     exclude: docs/conf.py
@@ -62,20 +62,20 @@ repos:
       - flake8-print
 
 - repo: https://github.com/pycqa/flake8
-  rev: 5.0.4
+  rev: 6.0.0
   hooks:
   - id: flake8
     exclude: docs/conf.py
     additional_dependencies: *flake8_dependencies
 
 - repo: https://github.com/pre-commit/mirrors-mypy
-  rev: v0.971
+  rev: v1.4.1
   hooks:
   - id: mypy
     files: src
 
 - repo: https://github.com/shellcheck-py/shellcheck-py
-  rev: v0.8.0.4
+  rev: v0.9.0.5
   hooks:
   - id: shellcheck
 
@@ -88,7 +88,7 @@ repos:
     exclude: .pre-commit-config.yaml
 
 - repo: https://github.com/mgedmin/check-manifest
-  rev: "0.48"
+  rev: "0.49"
   hooks:
   - id: check-manifest
     stages: [manual]
diff --git a/examples/binning.ipynb b/examples/binning.ipynb
index 4d84d4f..9414a5c 100644
--- a/examples/binning.ipynb
+++ b/examples/binning.ipynb
@@ -1329,6 +1329,7 @@
     "num_bins = 5\n",
     "pars = jnp.linspace(0, 8, num_bins + 1)\n",
     "\n",
+    "\n",
     "# differentiable significance pipeline\n",
     "def asimov_pipe(bins, s, b, bandwidth=1e-2):\n",
     "    # restrict bin edges so they don't overlap during optimisation\n",
@@ -1394,6 +1395,7 @@
     "\n",
     "from copy import deepcopy\n",
     "\n",
+    "\n",
     "# specify the workspace for a simple model with a three-point background systematic\n",
     "def correlated_background(signal, bkg, bkg_up, bkg_down):\n",
     "    spec = {\n",
@@ -1430,6 +1432,7 @@
     "\n",
     "from pyhf import interpolators\n",
     "\n",
+    "\n",
     "# pipeline to calculate the full CLs for the model, given a number of bins\n",
     "def pipe(num_bins):\n",
     "    def cls_pipe(bins, s, b, bup, bdown, bandwidth=1e-2, skeleton_model=None):\n",
diff --git a/examples/cuts.ipynb b/examples/cuts.ipynb
index 95d7ea2..9fe4bbc 100644
--- a/examples/cuts.ipynb
+++ b/examples/cuts.ipynb
@@ -391,6 +391,7 @@
     "from jaxopt import OptaxSolver\n",
     "from optax import adam\n",
     "\n",
+    "\n",
     "# define something to minimise (1/significance)\n",
     "def loss(cut):\n",
     "    s_weights = relaxed.cut(sig, cut, slope) + 1e-4\n",
diff --git a/examples/neos.ipynb b/examples/neos.ipynb
index aadb07a..38d29bc 100644
--- a/examples/neos.ipynb
+++ b/examples/neos.ipynb
@@ -389,7 +389,6 @@
     "    scale_factors: dict[str, float],\n",
     "    include_bins: bool = True,\n",
     ") -> tuple[Array, dict[str, list]]:\n",
-    "\n",
     "    loss = partial(\n",
     "        pipeline,\n",
     "        nn=nn,\n",
diff --git a/examples/simple-analysis-optimisation.ipynb b/examples/simple-analysis-optimisation.ipynb
index 1472b9b..eec3c0c 100644
--- a/examples/simple-analysis-optimisation.ipynb
+++ b/examples/simple-analysis-optimisation.ipynb
@@ -130,7 +130,6 @@
    "source": [
     "# our analysis pipeline, from phi to p-value\n",
     "def pipeline(phi, return_yields=False, uncertainty=True):\n",
-    "\n",
     "    # grab the yields at the value of phi we want\n",
     "    y = yields(phi, uncertainty=uncertainty)\n",
     "\n",
diff --git a/setup.cfg b/setup.cfg
index 802451b..20c99ee 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -9,7 +9,7 @@ author_email = n.s@cern.ch
 maintainer = Nathan Simpson
 maintainer_email = n.s@cern.ch
 license = BSD-3-Clause
-license_file = LICENSE
+license_files = LICENSE
 platforms =
     Any
 classifiers =
@@ -36,7 +36,7 @@ install_requires =
     optax>=0.1.2  # deprecated jax.tree_multimap
     pyhf>=0.6.3
     typing-extensions>=3.7;python_version<'3.8'
-python_requires = >=3.7
+python_requires = >=3.8
 include_package_data = True
 package_dir =
     =src