diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 14279b72..92152c94 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -15,7 +15,7 @@ on:
         required: true
 env:
   DOCS_CI: 1
-  PYTHON_VERSION: '3.10'
+  PYTHON_VERSION: '3.11'
 
 jobs:
   documentation:
diff --git a/.readthedocs.yml b/.readthedocs.yml
index 6da090d5..d6ca54b0 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -9,7 +9,7 @@ version: 2
 build:
   os: ubuntu-20.04
   tools:
-    python: "3.9"
+    python: "3.11"
   apt_packages:
     - libjpeg-dev
     - libopenjp2-7-dev
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 7957fbb6..aa696d4c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -6,7 +6,7 @@ pydyf==0.11.0
 mkdocs-pdf-export-plugin==0.5.10
 mkdocs-minify-plugin==0.8.0
 mike>=2.0.0
-Pillow==12.3.0
+Pillow==13.0.0
 mkdocs-git-revision-date-localized-plugin
 mkdocs-redirects>=1.2.1
 jieba>=0.42.1