diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 950cca3..5fa7df7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11.x'
+          python-version: '3.13.x'
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip setuptools wheel
diff --git a/Dockerfile b/Dockerfile
index 4060168..98b0de1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11
+FROM python:3.13
 LABEL org.opencontainers.image.authors="Pbench Maintainers <pbench@googlegroups.com>"
 
 ENTRYPOINT ["relay"]