Update apt list.

Author: rkistner

.circleci/config.yml

@@ -94,7 +94,7 @@ aliases:
       - run: curl -sSL https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh | sudo bash
       - run: sudo apt-get update && sudo apt-get install -y git-lfs && git-lfs install --force && git-lfs pull
       # These are required for electron(-mocha)
-      - run: sudo apt-get install -y libgtk2.0-0 libgtk-3-dev libxtst6 libxss1 libgconf2-4 libnss3 libasound2
+      - run: sudo apt-get install -y libgtk2.0-0 libgtk-3-dev libxtst6 libxss1 libgconf2-dev libnss3 libasound2
       - run:
           name: Install
           command: |