diff --git a/docker-compose.e2e.yml b/docker-compose.e2e.yml
index 62dff56a..46a1359b 100644
--- a/docker-compose.e2e.yml
+++ b/docker-compose.e2e.yml
@@ -69,7 +69,7 @@ services:
       - /tmp/playwright-report:/workspace/frontend/playwright-report
     command: >
       sh -c "
-        npm ci &&
+        npm ci --legacy-peer-deps &&
         npx playwright install chromium &&
         npx playwright test
       "
diff --git a/docker/all-in-one.Dockerfile b/docker/all-in-one.Dockerfile
index 3f185ff0..cba531d6 100644
--- a/docker/all-in-one.Dockerfile
+++ b/docker/all-in-one.Dockerfile
@@ -16,7 +16,7 @@ WORKDIR /app/frontend
 
 # Install deps (layer cache when package.json unchanged)
 COPY frontend/package.json frontend/package-lock.json* ./
-RUN npm ci --prefer-offline --no-audit --no-fund
+RUN npm ci --prefer-offline --no-audit --no-fund --legacy-peer-deps
 
 # Build frontend
 COPY frontend/ ./
diff --git a/docker/frontend.Dockerfile b/docker/frontend.Dockerfile
index d1b452dd..aa6f85d9 100644
--- a/docker/frontend.Dockerfile
+++ b/docker/frontend.Dockerfile
@@ -13,7 +13,7 @@ FROM node:20-alpine AS build
 WORKDIR /app/frontend
 
 COPY frontend/package*.json ./
-RUN npm ci
+RUN npm ci --legacy-peer-deps
 
 COPY frontend/ ./
 RUN npm run build