diff --git a/.travis.yml b/.travis.yml
index 1f6b8094..efeac010 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,11 +13,13 @@ matrix:
     - os: linux
       group: deprecated-2017Q4
       compiler: gcc
+      sudo=true
       install: ./ci/install-linux.sh && ./ci/log-config.sh
       script: ./ci/build-linux-bazel.sh
     - os: linux
       group: deprecated-2017Q4
       compiler: clang
+      sudo=true
       install: ./ci/install-linux.sh && ./ci/log-config.sh
       script: ./ci/build-linux-bazel.sh
     - os: linux