diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3b4d2a6..185b932 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,13 +12,13 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-          node-version: 16
+          node-version: 18
       # Work around https://github.com/actions/checkout/issues/290
       - run: git fetch --force --tags
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 18
 
       - uses: actions/cache@v3
         env:
diff --git a/Dockerfile b/Dockerfile
index cc72e3c..6ee1174 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.16.9 as builder
+FROM alpine:3.17.7 as builder
 WORKDIR /app
 
 RUN apk update