diff --git a/.travis.yml b/.travis.yml
index 7b929e7e..96f79e8f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -45,8 +45,8 @@ before_install:
     - if [ -n $enable_coverage ]; then pip install --user cpp-coveralls; fi
 
 before_script:
-    - export BOOST_VERSION=1.64.0
-    - export BOOST_FILENAME=boost_1_64_0
+    - export BOOST_VERSION=1.66.0
+    - export BOOST_FILENAME=boost_1_66_0
     - export BOOST_ROOT=${HOME}/boost
     - cd ${TRAVIS_BUILD_DIR}
     - touch Jamroot.jam