diff --git a/.travis.yml b/.travis.yml
index 9a999ec..91bc1a8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,7 +15,8 @@ env:
     - EMACS_VERSION=24.3 tests_Werror=nil
     - EMACS_VERSION=24.5
     - EMACS_VERSION=25.3
-    - EMACS_VERSION=26-prerelease
+    - EMACS_VERSION=26.3
+    - EMACS_VERSION=27-prerelease
 
 
 install: