diff --git a/.travis.yml b/.travis.yml
index a79c46b9..5b1127ed 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,8 +26,10 @@ matrix:
         apt:
           sources:
             - ubuntu-toolchain-r-test
+            - george-edison55/cmake-3.x
           packages:
             - g++-8
+            - cmake
       env:
         - MATRIX_EVAL="CC=gcc-8 && CXX=g++-8" BUILD_TYPE="Debug" DOUBLE_PRECISION="False"