diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3fa7a4025b..7e720703b6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: Set up Python 3.8
+      - name: Set up Python
         uses: actions/setup-python@v4
         with:
           python-version: 3.9
@@ -63,7 +63,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10']
+        python-version: ['3.9', '3.10', '3.11']
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
@@ -82,15 +82,15 @@ jobs:
     runs-on: ubuntu-20.04-16core
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10']
+        python-version: ['3.9', '3.10', '3.11']
         test-type: [doctest, pytest, pytype, mypy]
         exclude:
           - test-type: pytype
-            python-version: 3.8
+            python-version: '3.11'
           - test-type: pytype
-            python-version: 3.10
+            python-version: '3.10'
           - test-type: mypy
-            python-version: 3.8
+            python-version: '3.11'
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/.readthedocs.yml b/.readthedocs.yml
index e71383f0c5..e086a43677 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -8,7 +8,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.8"
+    python: "3.9"
 
 # Build documentation in the docs/ directory with Sphinx
 sphinx: