diff --git a/.travis.yml b/.travis.yml
index 0bd73c389..e8cd0c524 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -76,10 +76,10 @@ script:
 # Upload docs
 after_success:
   - |
-    if [[ "$TRAVIS_OS_NAME" == "linux" && "$TRAVIS_PULL_REQUEST" = "false" && "$TRAVIS_BRANCH" == "master" && "$TRAVIS_RUST_VERSION" == "beta" ]]; then
+    if [[ "$TRAVIS_OS_NAME" == "linux" && "$TRAVIS_PULL_REQUEST" = "false" && "$TRAVIS_BRANCH" == "mdbook" && "$TRAVIS_RUST_VERSION" == "beta" ]]; then
       cargo doc --features "alpn, tls, session" --no-deps &&
       echo "<meta http-equiv=refresh content=0;url=os_balloon/index.html>" > target/doc/index.html &&
-      cargo install mdbook &&
+      curl -sL https://github.com/rust-lang-nursery/mdBook/releases/download/v0.1.5/mdbook-v0.1.5-x86_64-unknown-linux-gnu.tar.gz | tar xvz -C $HOME/.cargo/bin &&
       cd guide && mdbook build -d ../target/doc/guide && cd .. &&
       git clone https://github.com/davisp/ghp-import.git &&
       ./ghp-import/ghp_import.py -n -p -f -m "Documentation upload" -r https://"$GH_TOKEN"@github.com/"$TRAVIS_REPO_SLUG.git" target/doc &&