diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index 9a91e43..1fc41b6 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -24,7 +24,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x, 16.x]
+        node-version: [20.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
diff --git a/Dockerfile b/Dockerfile
index f45451c..d8eacc7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # Based on https://developers.google.com/web/tools/puppeteer/troubleshooting#running_puppeteer_in_docker
 
-FROM node:16.15.0
+FROM node:20.18.1
 
 RUN apt-get update \
     && apt-get install -y wget gnupg ca-certificates \
@@ -51,5 +51,3 @@ RUN npm i
 EXPOSE 8080 8081
 
 ENTRYPOINT [ "node", "./src/server.js", "-H", "8081" ]
-
-CMD ["bash"]