diff --git a/.circleci/config.yml b/.circleci/config.yml
index 0d2edbf6..f2ec9306 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -19,6 +19,9 @@ jobs:
       - run:
           name: Create build files
           command: 'mkdir build ; cd build ; cmake ..'
+      - run:
+          name: Versions
+          command: 'g++ --version ; uname -a'
       - run:
           name: Compile
           command: 'cmake --build build'