diff --git a/.travis.yml b/.travis.yml
index 4b1c05bd1b..a09d33dd32 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -42,6 +42,7 @@ deploy:
   api_key: "$GITHUB_TOKEN"
   file: "releases/ckb_${TRAVIS_TAG}_${REL_PKG}"
   skip_cleanup: true
+  prerelease: true
   on:
     tags: true
     condition: '"$GITHUB_TOKEN" != "" && "$REL_PKG" != ""'