diff --git a/.travis.yml b/.travis.yml
index d17253a02d..e34b4a44c1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,5 +6,6 @@ node_js:
   - "4.1"
   - "4.2"
 env:
+  - MONGODB_VERSION=2.6.11
   - MONGODB_VERSION=3.0.8
 after_success: ./node_modules/.bin/codecov