diff --git a/.travis.yml b/.travis.yml
index ca8d9493..e8002f41 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -64,6 +64,7 @@ jobs:
 
         - psql -c 'create database template_postgis;' -U postgres
         - psql -c 'CREATE EXTENSION postgis;' -U postgres -d template_postgis
+        - npm install -g yarn@0.27.5
         - ./configure
 
       env: