diff --git a/.circleci/config.yml b/.circleci/config.yml
index f3d53ee..4e7c615 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,7 +1,7 @@
 version: 2.1
 
 orbs:
-  python: circleci/python@1.2.1
+  python: circleci/python@3.3.0
 
 jobs:
   build_docs:
diff --git a/docs/requirements.txt b/docs/requirements.txt
index ac8252b..492549d 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -2,4 +2,4 @@ jinja2
 markdown
 pyyaml
 sphinx
-mpl-sphinx-theme~=3.9.0
+mpl-sphinx-theme~=3.10.0