diff --git a/.travis.yml b/.travis.yml
index ddf067fd9..1b3ef46cc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ language:
 env:
   global: LATEST_TAG=1
   matrix:
-    - VERSION=2.6.9
+    - VERSION=2.6.6
     - VERSION=2.7.8
     - VERSION=3.2.5
     - VERSION=3.3.5