diff --git a/composer.json b/composer.json
index 4dda21ecd7..dedb653777 100644
--- a/composer.json
+++ b/composer.json
@@ -63,12 +63,13 @@
     "require": {
         "php": ">=5.4.0",
         "ext-mbstring": "*",
+        "ext-ctype": "*",
         "lib-pcre": "*",
         "yiisoft/yii2-composer": "~2.0.4",
         "ezyang/htmlpurifier": "4.6.*",
         "cebe/markdown": "~1.0.0 | ~1.1.0",
         "bower-asset/jquery": "2.2.*@stable | 2.1.*@stable | 1.11.*@stable",
-        "bower-asset/jquery.inputmask": "3.1.*",
+        "bower-asset/jquery.inputmask": "~3.2.2",
         "bower-asset/punycode": "1.3.*",
         "bower-asset/yii2-pjax": "~2.0.1"
     },