Update travis configuration

takezoe · takezoe · commit a7e89d3e1525 · 2020-08-08T06:12:56.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,10 +1,11 @@
 sudo: false
 language: scala
 jdk:
-- oraclejdk8
+- openjdk8
 cache:
   directories:
   - "$HOME/.ivy2"
   - "$HOME/.sbt"
+  - "$HOME/.cache/coursier/v1"
 script:
 - sbt test
