diff --git a/composer.json b/composer.json
index 913df36..18f5bac 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     },
     "require": {
         "php": ">=5.4",
-        "wp-cli/wp-cli": "^2"
+        "wp-cli/wp-cli": "^2.12"
     },
     "require-dev": {
         "wp-cli/wp-cli-tests": "^4"