diff --git a/.travis.yml b/.travis.yml
index 53c9522..0dc4880 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -54,13 +54,17 @@ before_script:
   - export PATH="$HOME/.composer/vendor/bin:$PATH"
   - |
     case "$TRAVIS_PHP_VERSION" in
-      5.6|5.5|5.4|5.3)
-        composer global require "phpunit/phpunit:^4"
+      5.6|5.5|5.4|5.3|5.2)
+        composer global require consolidation/cgr
+        PATH="$(composer config -g home)/vendor/bin:$PATH"
+        cgr "phpunit/phpunit:^4"
         ;;
       5.2)
-        ;;
+      ;;
       *)
-        composer global require "phpunit/phpunit:6"
+        composer global require consolidation/cgr
+        PATH="$(composer config -g home)/vendor/bin:$PATH"
+        cgr "phpunit/phpunit:^6"
         ;;
     esac
   - |