diff --git a/chatto/src/main/resources/ehcache.xml b/chatto/src/main/resources/ehcache.xml
index ee89592..57fd3a0 100644
--- a/chatto/src/main/resources/ehcache.xml
+++ b/chatto/src/main/resources/ehcache.xml
@@ -10,7 +10,7 @@
 		<key-type>java.lang.String</key-type>
 		<value-type>org.ros.chatto.model.UserToken</value-type>
 		<expiry>
-			<ttl unit="seconds">300</ttl>
+			<ttl unit="seconds">100</ttl>
 		</expiry>
 		<listeners>
 			<listener>