diff --git a/.travis.yml b/.travis.yml
index f1d0af68..656d4d76 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,8 +6,10 @@ cache:
 matrix:
   fast_finish: true
   include:
-    - node_js: "0.12.2"
-      env: OPENPGPJSTEST='unit'
+    - node_js: "0.12"
+      env: OPENPGPJSTEST='unit' OPENPGP_NODE_JS='0.12'
+    - node_js: "4.2"
+      env: OPENPGPJSTEST='unit' OPENPGP_NODE_JS='4.2'
     - node_js: "0.12.2"
       env: OPENPGPJSTEST='end2end-0' BROWSER='firefox 38'
     - node_js: "0.12.2"
@@ -37,6 +39,7 @@ matrix:
     - node_js: "0.12.2"
       env: OPENPGPJSTEST='end2end-13' BROWSER='iphone 9.1'
   allow_failures:
+    - env: OPENPGPJSTEST='unit' OPENPGP_NODE_JS='4.2'
     - env: OPENPGPJSTEST='end2end-0' BROWSER='firefox 38'
     - env: OPENPGPJSTEST='end2end-1' BROWSER='firefox 42'
     - env: OPENPGPJSTEST='end2end-2' BROWSER='firefox beta'