diff --git a/pica-etherpad/Dockerfile b/pica-etherpad/Dockerfile
index b09cabe536cfeea1b14ff187deb085447d1a3bf6..e8b861208fb816e180510a2a370e5f2896dfba24 100644
--- a/pica-etherpad/Dockerfile
+++ b/pica-etherpad/Dockerfile
@@ -36,7 +36,7 @@ RUN curl -SL https://github.com/ether/etherpad-lite/archive/${ETHERPAD_VERSION_B
 COPY ./landing-page ./src/templates/landing-page
 
 # Build and replace landing page
-RUN npm install minify@5 && \
+RUN npm install minify@5.1.1 && \
     ./src/templates/landing-page/build/build.sh && \
     cp ./src/templates/landing-page/index.html src/templates/index.html && \
     cp -r ./src/templates/landing-page/static/* src/static/