diff --git a/composer.json b/composer.json
index 5fe3a2e..8330ca8 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     "require": {
         "php": ">=5.3.0",
         "illuminate/support": "4.*|5.*",
-        "jasig/phpcas": "1.3.3"
+        "jasig/phpcas": "1.3.*"
     },
     "autoload": {
         "psr-0": {