diff --git a/vendor/github.com/mattn/go-runewidth/.travis.yml b/vendor/github.com/mattn/go-runewidth/.travis.yml
new file mode 100644
index 0000000..6a21813
--- /dev/null
+++ b/vendor/github.com/mattn/go-runewidth/.travis.yml
@@ -0,0 +1,16 @@
+language: go
+sudo: false
+go:
+  - 1.13.x
+  - tip
+
+before_install:
+  - go get -t -v ./...
+
+script:
+  - go generate
+  - git diff --cached --exit-code
+  - ./go.test.sh
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)