Upgrade dependency on olt app to 1.4.1

Change-Id: I67777e5ce2c1c38386decc2d21f508069b15e4a7
diff --git a/docker/config/dependencies.xml b/docker/config/dependencies.xml
index 39acfcb..f6a96ca 100644
--- a/docker/config/dependencies.xml
+++ b/docker/config/dependencies.xml
@@ -29,7 +29,7 @@
         <dhcpl2relay.version>1.4.0</dhcpl2relay.version>
         <igmpproxy.version>1.2.0</igmpproxy.version>
         <mcast.version>1.4.0</mcast.version>
-        <olt.version>1.4.0</olt.version>
+        <olt.version>1.4.1</olt.version>
         <sadis.version>2.1.0</sadis.version>
     </properties>