Test composer.

composer.json

@@ -17,7 +17,7 @@
     "require": {
         "zendframework/zend-authentication": "^2.5",
         "zfcampus/zf-oauth2":                "^1.4.0",
-        "unicaen/unicaen-ldap":              "^3.0",
+        "unicaen/unicaen-ldap":              "3.0.0.x-dev",
         "jasig/phpcas":                      "^1.3.4"
     },
     "autoload": {