diff --git a/Dockerfile b/Dockerfile
index 814a5e1d8..d46a1a84c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,7 +17,8 @@ RUN apt-get update \
 
 # Puppeteer
 
-RUN apt-get install -y --no-install-recommends \
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
         libfontconfig lftp xvfb gconf-service libasound2 libatk1.0-0 libc6 \
         libcairo2 libcups2 libdbus-1-3 libexpat1 libfontconfig1 libgbm1 \
         libgcc1 libgconf-2-4 libgdk-pixbuf2.0-0 libglib2.0-0 libgtk-3-0 \
@@ -28,7 +29,8 @@ RUN apt-get install -y --no-install-recommends \
 
 # Extra dependencies
 
-RUN apt-get install -y --no-install-recommends \
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
         samba-common-bin \
     && rm -rf /var/lib/apt/lists/* \
     && npm -g install pm2