diff --git a/pom.xml b/pom.xml
index ec6b93690c..a40ade53d9 100755
--- a/pom.xml
+++ b/pom.xml
@@ -78,7 +78,7 @@
     <jmdns-version>3.4.1</jmdns-version>
     <jsp-version>2.1.v20100127</jsp-version>
     <jstl-version>1.1.2</jstl-version>
-    <jettison-version>1.3.4</jettison-version>
+    <jettison-version>1.3.5</jettison-version>
     <jmock-version>2.5.1</jmock-version>
     <jolokia-version>1.1.5</jolokia-version>
     <josql-version>1.5_5</josql-version>
@@ -90,7 +90,7 @@
     <leveldb-version>0.6</leveldb-version>
     <leveldbjni-version>1.8</leveldbjni-version>
     <log4j-version>1.2.17</log4j-version>
-    <mqtt-client-version>1.7</mqtt-client-version>
+    <mqtt-client-version>1.8</mqtt-client-version>
     <openjpa-version>1.2.0</openjpa-version>
     <org-apache-derby-version>10.10.1.1</org-apache-derby-version>
     <org.osgi.core-version>4.3.1</org.osgi.core-version>
@@ -120,7 +120,7 @@
     <xmlbeans-bundle-version>2.6.0_2</xmlbeans-bundle-version>
     <xmlresolver-bundle-version>1.2_5</xmlresolver-bundle-version>
     <xpp3-version>1.1.4c</xpp3-version>
-    <xstream-version>1.4.5</xstream-version>
+    <xstream-version>1.4.6</xstream-version>
     <xbean-version>3.15</xbean-version>
     <xerces-version>2.11.0</xerces-version>
     <jaxb-basics-version>0.6.4</jaxb-basics-version>