[CI] Update CocoaPods

ikesyo · ikesyo · commit 291a87aaf8c1 · 2019-04-03T09:22:50.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -23,6 +23,7 @@ matrix:
     - os: osx
       osx_image: xcode10.1
       script:
+        - gem update cocoapods
         - pod repo update
         - pod lib lint
 notifications:
