diff --git a/.travis.yml b/.travis.yml
index 3f86355..72b2543 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,12 +14,16 @@ env:
   - FLASK="==0.10.1" PUSHER="pusher>=1.0,<1.1"
   - FLASK="==0.10.1" PUSHER="pusher>=1.1,<1.2"
   - FLASK="==0.10.1" PUSHER="pusher>=1.2,<1.3"
+  - FLASK="==0.10.1" PUSHER="pusher>=1.3,<1.4"
+  - FLASK="==0.10.1" PUSHER="pusher>=1.4,<1.5"
   - FLASK="==0.10.1"
   - FLASK="==0.10.1" PUSHER="git+https://github.com/pusher/pusher-http-python.git"
   - FLASK="==0.11" PUSHER="pusher<1.0"
   - FLASK="==0.11" PUSHER="pusher>=1.0,<1.1"
   - FLASK="==0.11" PUSHER="pusher>=1.1,<1.2"
   - FLASK="==0.11" PUSHER="pusher>=1.2,<1.3"
+  - FLASK="==0.11" PUSHER="pusher>=1.3,<1.4"
+  - FLASK="==0.11" PUSHER="pusher>=1.4,<1.5"
   - FLASK="==0.11"
   - FLASK="==0.11" PUSHER="git+https://github.com/pusher/pusher-http-python.git"