diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8a98bc2..76313b0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,7 +35,7 @@ jobs:
 
             - name: Install
               run: |
-                  npm install
+                  npm ci
 
             - name: Format Check
               run: |
@@ -71,7 +71,7 @@ jobs:
 
             - name: Install
               run: |
-                  npm install
+                  npm ci
 
             - name: Build
               run: |
@@ -118,7 +118,7 @@ jobs:
             - name: Integration tests ESM
               working-directory: ./test-integration/esm-project
               run: |
-                  npm install --install-links
+                  npm ci --install-links
                   npm run test
               env:
                   DOCKER_HOST: ${{ steps.engine.outputs.sock }}
@@ -126,7 +126,7 @@ jobs:
             - name: Integration tests CJS
               working-directory: ./test-integration/cjs-project
               run: |
-                  npm install --install-links
+                  npm ci --install-links
                   npm run test
               env:
                   DOCKER_HOST: ${{ steps.engine.outputs.sock }}
diff --git a/Dockerfile b/Dockerfile
index 9e04666..d4c6fb7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ FROM base AS install-base
 WORKDIR /project
 COPY . .
 RUN --mount=type=cache,target=/root/.npm \
-    npm install
+    npm ci
 
 FROM install-base AS build
 RUN npm run build
@@ -33,12 +33,12 @@ COPY --link --from=build /project/test-integration/esm-project  esm-project
 RUN --mount=type=cache,target=/root/.npm \
     cd cjs-project && \
     npm install ../node-sdk && \
-    npm install && \
+    npm ci && \
     npm test
 RUN --mount=type=cache,target=/root/.npm \
     cd esm-project && \
     npm install ../node-sdk && \
-    npm install && \
+    npm ci && \
     npm test
 
 FROM scratch AS dist