diff --git a/.circleci/config.yml b/.circleci/config.yml
index dcf06ca..3231e38 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,11 +2,13 @@
 version: 2.1
 
 orbs:
-  python: circleci/python@1.2.1
+  python: circleci/python@3.2.0
 
 jobs:
   build_docs:
-    executor: python/default
+    executor:
+      name: python/default
+      tag: "3.11"
     steps:
       - checkout
       - python/install-packages:
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 34902e5..f9086b3 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -9,3 +9,12 @@ updates:
       actions:
         patterns:
           - "*"
+
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      python:
+        patterns:
+          - "*"
diff --git a/pyproject.toml b/pyproject.toml
index 55a2847..14f8c9f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ classifiers = [
     "Topic :: Documentation :: Sphinx",
 ]
 dependencies = [
-    "pydata-sphinx-theme>=0.13.1",
+    "pydata-sphinx-theme==0.15.4",
     "matplotlib",
 ]