diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 4bbbae1fd..80304f9f6 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [18, 21]
+        node-version: [18, 20]
     steps:
       - name: Code Checkout
         uses: actions/checkout@v4
diff --git a/Dockerfile b/Dockerfile
index 1c3c34a62..ef134d55b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 # Build the assets that are needed for the frontend. This build stage is then discarded
 # since we won't need NodeJS anymore in the future. This Docker image ships a final production
 # level distribution
-FROM --platform=$TARGETOS/$TARGETARCH node:21-alpine
+FROM --platform=$TARGETOS/$TARGETARCH node:20-alpine
 WORKDIR /app
 COPY . ./
 RUN yarn install --frozen-lockfile \