diff --git a/tests/codeigniter/libraries/Encryption_test.php b/tests/codeigniter/libraries/Encryption_test.php
index 5f23824..cb9326d 100644
--- a/tests/codeigniter/libraries/Encryption_test.php
+++ b/tests/codeigniter/libraries/Encryption_test.php
@@ -330,18 +330,10 @@
 			array('blowfish', 'cfb', 56),
 			array('blowfish', 'ofb', 56),
 			array('blowfish', 'ecb', 56),
-			array('cast5', 'cbc', 5),
-			array('cast5', 'cfb', 5),
-			array('cast5', 'ofb', 5),
-			array('cast5', 'ecb', 5),
-			array('cast5', 'cbc', 8),
-			array('cast5', 'cfb', 8),
-			array('cast5', 'ofb', 8),
-			array('cast5', 'ecb', 8),
-			array('cast5', 'cbc', 10),
-			array('cast5', 'cfb', 10),
-			array('cast5', 'ofb', 10),
-			array('cast5', 'ecb', 10),
+			array('cast5', 'cbc', 11),
+			array('cast5', 'cfb', 11),
+			array('cast5', 'ofb', 11),
+			array('cast5', 'ecb', 11),
 			array('cast5', 'cbc', 16),
 			array('cast5', 'cfb', 16),
 			array('cast5', 'ofb', 16),