diff --git a/.circleci/config.yml b/.circleci/config.yml
index dc19e3c..1a07cc4 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -9,6 +9,7 @@ jobs:
     steps:
       - checkout
       - run: gcc --version
+      - run: sudo apt-get install software-properties-common python-software-properties
       - run: sudo add-apt-repository -y ppa:jonathonf/gcc-7.1
       - run: sudo apt-get update
       - run: sudo apt-get install gcc-7 g++-7