diff --git a/.travis.yml b/.travis.yml
index a4a2e74..ee936e5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ cache: yarn
 env:
   global:
     - CXX=g++-4.8
+    - YARN_VERSION=1.3.2
 
 jobs:
   include:
@@ -11,13 +12,13 @@ jobs:
       node_js:
         - 6
       before_install:
-        - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.1.0
+        - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version "$YARN_VERSION"
         - export PATH="$HOME/.yarn/bin:$PATH"
     - env: task=npm-test
       node_js:
         - 7
       before_install:
-        - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.1.0
+        - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version "$YARN_VERSION"
         - export PATH="$HOME/.yarn/bin:$PATH"
     - env: task=ShellCheck
       script: