diff --git a/Dockerfile b/Dockerfile
index 3ee2745..f30aaf9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -37,7 +37,7 @@ RUN echo "enable-shm = no" >> /etc/pulse/client.conf
 
 # Mozilla Firefox
 # Deps: bzip2 libgtk-3-0 libdbus-glib-1-2 libxt6
-ENV FIREFOX_VER 49.0
+ENV FIREFOX_VER 49.0.2
 ADD https://download-installer.cdn.mozilla.net/pub/firefox/releases/$FIREFOX_VER/linux-x86_64/en-US/firefox-$FIREFOX_VER.tar.bz2 /tmp/firefox.tar.bz2
 RUN cd /tmp && \
     mkdir /opt/mozilla && \