diff --git a/.cruft.json b/.cruft.json
index b3f28eeab..c47860bbc 100644
--- a/.cruft.json
+++ b/.cruft.json
@@ -1,7 +1,7 @@
 {
     "template": "https://github.com/scverse/cookiecutter-scverse",
-    "commit": "586b1652162ff7994b0070a034023d64289ae416",
-    "checkout": "v0.3.1",
+    "commit": "87a407a65408d75a949c0b54b19fd287475a56f8",
+    "checkout": "v0.4.0",
     "context": {
         "cookiecutter": {
             "project_name": "squidpy",
diff --git a/docs/conf.py b/docs/conf.py
index 661768eec..8275749e7 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,5 +1,5 @@
 # Configuration file for the Sphinx documentation builder.
-#
+
 # This file only contains a selection of the most common options. For a full
 # list see the documentation:
 # https://www.sphinx-doc.org/en/master/usage/configuration.html