try

.travis.yml

@@ -79,16 +79,10 @@ script:
 - mv _coincurve coincurve
 - coverage combine
 
-# Need two providers:
-# https://github.com/travis-ci/travis-ci/issues/7780#issuecomment-302389370
 deploy:
   - provider: script
     skip_cleanup: true
     script: chmod +x .travis/deploy.sh && chmod +x .travis/build-linux-wheels.sh && .travis/deploy.sh
     on:
-      tags: "master"
-  - provider: script
-    skip_cleanup: true
-    script: chmod +x .travis/deploy.sh && chmod +x .travis/build-linux-wheels.sh && .travis/deploy.sh
-    on:
-      tags: true
+      all_branches: true
+      condition: $TRAVIS_TAG =~ ^v[0-9]+\.[0-9]+\.[0-9]+