Merge pull request SeleniumHQ#526 from MacCracken/patch-6

latest version for Firefox and geckodriver

Author: ddavison

NodeFirefox/Dockerfile.txt

@@ -3,7 +3,7 @@ USER root
 #=========
 # Firefox
 #=========
-ARG FIREFOX_VERSION=54.0
+ARG FIREFOX_VERSION=54.0.1
 RUN apt-get update -qqy \
   && apt-get -qqy --no-install-recommends install firefox \
   && rm -rf /var/lib/apt/lists/* /var/cache/apt/* \
@@ -18,7 +18,7 @@ RUN apt-get update -qqy \
 #============
 # GeckoDriver
 #============
-ARG GECKODRIVER_VERSION=0.17.0
+ARG GECKODRIVER_VERSION=0.18.0
 RUN wget --no-verbose -O /tmp/geckodriver.tar.gz https://github.com/mozilla/geckodriver/releases/download/v$GECKODRIVER_VERSION/geckodriver-v$GECKODRIVER_VERSION-linux64.tar.gz \
   && rm -rf /opt/geckodriver \
   && tar -C /opt -zxf /tmp/geckodriver.tar.gz \