diff --git a/build/Dockerfile b/build/Dockerfile
index d882684..920f443 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -74,7 +74,7 @@ ENV FIREFOX_VERSION_1 latest
 ENV FIREFOX_DOWNLOAD_URL_1="https://download.mozilla.org/?product=firefox-latest-ssl&os=linux64"
 ENV FIREFOX_VERSION_2 32.0.1
 ENV FIREFOX_DOWNLOAD_URL_2="https://ftp.mozilla.org/pub/firefox/releases/$FIREFOX_VERSION_2/linux-x86_64/en-US/firefox-$FIREFOX_VERSION_2.tar.bz2"
-RUN apt-get --no-install-recommends -y install libasound2 && \
+RUN apt-get --no-install-recommends -y install libasound2 libdbus-glib-1-2 && \
   wget --no-verbose -O /tmp/firefox1.tar.bz2 $FIREFOX_DOWNLOAD_URL_1 && \
   rm -rf /opt/firefox && \
   tar -C /opt -xjf /tmp/firefox1.tar.bz2 && \