diff --git a/.github/workflows/build-docker-image.yaml b/.github/workflows/build-docker-image.yaml
index d8049a0..8accafb 100644
--- a/.github/workflows/build-docker-image.yaml
+++ b/.github/workflows/build-docker-image.yaml
@@ -13,9 +13,9 @@ jobs:
     name: Build docker image
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
diff --git a/Dockerfile b/Dockerfile
index 59bd5c1..cbd83df 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,8 @@
-FROM python:3.10.0a7-alpine3.13
+FROM alpine:3.19
 
 LABEL maintainer="Ian Belcher <github.com@ianbelcher.me>"
 
-ENV PYTHONIOENCODING=UTF-8
-
-RUN apk add --no-cache curl
-
-RUN pip install awscli
+RUN apk add --no-cache curl aws-cli
 
 ADD entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
diff --git a/entrypoint.sh b/entrypoint.sh
index fa5c239..5bbc5b6 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -18,7 +18,7 @@ if [ -n "${INPUT_AWS_SECRET_ACCESS_KEY:-}" ]; then
 fi
 
 if [ -n "${INPUT_AWS_REGION:-}" ]; then
-  export AWS_DEFAULT_REGION="${INPUT_AWS_REGION}"
+  export AWS_REGION="${INPUT_AWS_REGION}"
 fi
 
 if [ -n "${INPUT_KUBERNETES_VERSION:-}" ]; then