diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4944e6dfc91ba9d0feacbb6bca18e2495ff932e2..63d682515eaef5034da5ce8b571dd70c4c17a99c 100755
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,8 +17,10 @@ before_script:
   - |
     if [[ $(php -v) =~ "PHP 7." ]]; then
       composer global require "phpunit/phpunit=6.1.*"
-    else
+    elif [[ $(php -v) =~ "PHP 5.6" ]]; then
       composer global require "phpunit/phpunit=5.4.*"
+    else
+      composer global require "phpunit/phpunit=4.8.*"
     fi
 
 PHPunit:PHP5.3:MySQL: