diff --git a/.travis.yml b/.travis.yml
index e6248cfd7e..2b5c1e1ef2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ env:
 branches:
   only:
   - master
-  - /^[0-9].[0-9].[0-9](-.*)?$/
+  - /^[0-9]+.[0-9]+.[0-9]+(-.*)?$/
 cache:
   directories:
   - "$HOME/.mongodb/versions/downloads"