diff --git a/Dockerfile b/Dockerfile
index b5b1bcad8..5229ec2ba 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,7 +25,7 @@ RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app
 
 COPY package.* /usr/src/app/
-RUN npm install --production
+RUN npm install --production && npm cache clean --force
 COPY . /usr/src/app
 
 COPY docker/scripts/start.sh /start.sh
diff --git a/Dockerfile-slim b/Dockerfile-slim
index e0849d95e..d19bb8d2c 100644
--- a/Dockerfile-slim
+++ b/Dockerfile-slim
@@ -30,7 +30,7 @@ RUN buildDeps='wget bzip2' && apt-get update && apt -y install $buildDeps && \
 RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app
 COPY . /usr/src/app
-RUN CHROMEDRIVER_SKIP_DOWNLOAD=true EGDEDRIVER_SKIP_DOWNLOAD=true npm install --production
+RUN CHROMEDRIVER_SKIP_DOWNLOAD=true EGDEDRIVER_SKIP_DOWNLOAD=true npm install --production && npm cache clean --force
 WORKDIR /usr/src/app
 COPY docker/scripts/start-slim.sh /start.sh