diff --git a/.travis.yml b/.travis.yml
index 180728a6..738e1194 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,28 +11,34 @@ language: cpp
 matrix:
   include:
     - os: linux
+      group: deprecated-2017Q4
       compiler: gcc
       sudo: true
       cache:
       install: ./ci/install-linux.sh && ./ci/log-config.sh
       script: ./ci/build-linux-bazel.sh
     - os: linux
+      group: deprecated-2017Q4
       compiler: clang
       sudo: true
       cache:
       install: ./ci/install-linux.sh && ./ci/log-config.sh
       script: ./ci/build-linux-bazel.sh
     - os: linux
+      group: deprecated-2017Q4
       compiler: gcc
       install: ./ci/install-linux.sh && ./ci/log-config.sh
       script: ./ci/build-linux-autotools.sh
     - os: linux
+      group: deprecated-2017Q4
       compiler: gcc
       env: BUILD_TYPE=Debug VERBOSE=1 CXX_FLAGS=-std=c++11
     - os: linux
+      group: deprecated-2017Q4
       compiler: clang
       env: BUILD_TYPE=Debug VERBOSE=1
     - os: linux
+      group: deprecated-2017Q4
       compiler: clang
       env: BUILD_TYPE=Release VERBOSE=1 CXX_FLAGS=-std=c++11
     - os: osx