diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 97fbcc1..5decb5d 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [18.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
diff --git a/Dockerfile b/Dockerfile
index a9e0efd..e7a4266 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node
+FROM node:18-alpine
 
 WORKDIR /app