diff --git a/.travis.yml b/.travis.yml
index 5732a5edab9beb06a611baed0aeb733e111f057b..596875675bc25e7a763c883fc8b30e8abbd2dd7d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,8 @@ script: make test-all
 install: script/bootstrap
 addons:
   apt:
+    sources:
+      - sourceline: 'ppa:fish-shell/release-2'
     packages:
       - tmux
       - zsh
diff --git a/script/ruby-test b/script/ruby-test
index 00ab83df942a7702d11640c6bddd1699e35acd1d..ebb240019a7b85e0d05f4b13c6bccd80a460b084 100755
--- a/script/ruby-test
+++ b/script/ruby-test
@@ -26,6 +26,7 @@ if tmux -V; then
     git --version
     bash --version | head -1
     zsh --version
+    fish --version
     echo
   fi
   profile="all"