diff --git a/.travis.yml b/.travis.yml
index 22699f4..43765ec 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,8 +17,6 @@ before_script:
 
 addons:
   apt:
-    sources:
-      - mongodb-3.2-precise
     packages:
       - mongodb-org-server
 
@@ -28,5 +26,16 @@ env:
   - MONGOID_VERSION=HEAD
 
 matrix:
+  include:
+    - name: "MongoDB-3.2"
+      addons:
+        apt:
+          sources:
+            - mongodb-3.2-trusty
+    - name: "MongoDB-3.4"
+      addons:
+        apt:
+          sources:
+            - mongodb-3.4-trusty
   allow_failures:
     - env: MONGOID_VERSION=HEAD