diff --git a/.travis.yml b/.travis.yml
index c60d07f..c2fc532 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,4 +26,4 @@ env:
     # GITHUB_TOKEN for automatic releases
     - secure: "at1oJs7ib7glx3W+zk+OkT041LdknVXirIhN403CIihVUrlOhODY7yCTgvF4Rk0jYBJiT35Q2qxpgfWF2qGnsNsQmjG3ydDWQDCepDc/CgXfLyoiSTJK5vTK72dYWTVsBTycXbj1CbSy2X2ah/KWjc4RcgZ67ER7mDpRU5nFeow="
     # Set this to the Go version to use for releases (must appear in version list above).
-    - RELEASE_GO_VERSION="1.8"
+    - RELEASE_GO_VERSION="1.9"