diff --git a/.travis.yml b/.travis.yml
index 1af22c8..61f2e98 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,7 @@ addons:
 install:
     - if [ "$CXX" = "g++" ]; then export CXX="g++-5" CC="gcc-5"; fi
     - if [ "$CXX" = "clang++" ]; then export CXX="clang++-3.7" CC="clang-3.7"; fi
+    - sudo apt install libgtest-dev -y
 
 script:
   - ./tools/build.sh
\ No newline at end of file