diff --git a/.travis.yml b/.travis.yml
index 5bf78eb6532..adbb03cb580 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -54,7 +54,7 @@ matrix:
            BUILD_DOCS=true
            BUILD_CMD="cd ${TRAVIS_BUILD_DIR}/package && python setup.py build_ext --inplace"
            INSTALL_HOLE="false"
-           PIP_DEPENDENCIES="${PIP_DEPENDENCIES} sphinx-sitemap"
+           PIP_DEPENDENCIES="${PIP_DEPENDENCIES} sphinx==1.8.5 sphinx-sitemap"
 
     - env: NAME="Lint"
            PYLINTRC="${TRAVIS_BUILD_DIR}/package/.pylintrc"