diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f49d6784..2e1de354 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.11", "3.12"]
+        python-version: ["3.12"]
 
     steps:
       - uses: actions/checkout@v2
diff --git a/Dockerfile b/Dockerfile
index fc789102..c13ab3ae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.7-slim
+FROM python:3.12-slim
 RUN apt-get update && apt-get install -y zip
 WORKDIR /lambda