diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index eea7840e..1cb8e997 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -19,13 +19,13 @@ repos:
       - id: codespell
 
   - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 25.9.0
+    rev: 26.1.0
     hooks:
       - id: black
       - id: black-jupyter
 
   - repo: https://github.com/keewis/blackdoc
-    rev: v0.4.5
+    rev: v0.4.6
     hooks:
       - id: blackdoc
 
@@ -45,7 +45,7 @@ repos:
       - id: prettier
 
   - repo: https://github.com/kynan/nbstripout
-    rev: 0.8.1
+    rev: 0.9.0
     hooks:
       - id: nbstripout
         args: [--extra-keys=metadata.kernelspec metadata.language_info.version]
diff --git a/intermediate/indexing/advanced-indexing.ipynb b/intermediate/indexing/advanced-indexing.ipynb
index c4118d50..c272f282 100644
--- a/intermediate/indexing/advanced-indexing.ipynb
+++ b/intermediate/indexing/advanced-indexing.ipynb
@@ -147,7 +147,6 @@
     "import numpy as np\n",
     "import xarray as xr\n",
     "\n",
-    "\n",
     "xr.set_options(display_expand_attrs=False)\n",
     "np.set_printoptions(threshold=10, edgeitems=2)\n",
     "%config InlineBackend.figure_format='retina'\n",
diff --git a/intermediate/remote_data/remote-data.ipynb b/intermediate/remote_data/remote-data.ipynb
index c2b54ba5..7765a386 100644
--- a/intermediate/remote_data/remote-data.ipynb
+++ b/intermediate/remote_data/remote-data.ipynb
@@ -57,7 +57,6 @@
     "import sys\n",
     "from IPython.display import Code\n",
     "\n",
-    "\n",
     "tracing_output = []\n",
     "_match_pattern = \"xarray\"\n",
     "\n",