diff --git a/pom.xml b/pom.xml
index 40132202cc..b65f6fdc30 100755
--- a/pom.xml
+++ b/pom.xml
@@ -53,7 +53,7 @@
     <commons-beanutils-version>1.8.3</commons-beanutils-version>
     <commons-collections-version>3.2.1</commons-collections-version>
     <commons-daemon-version>1.0.15</commons-daemon-version>
-    <commons-dbcp2-version>2.1</commons-dbcp2-version>
+    <commons-dbcp2-version>2.1.1</commons-dbcp2-version>
     <commons-io-version>2.4</commons-io-version>
     <commons-lang-version>2.6</commons-lang-version>
     <commons-logging-version>1.1.3</commons-logging-version>
@@ -94,7 +94,7 @@
     <leveldbjni-version>1.8</leveldbjni-version>
     <log4j-version>1.2.17</log4j-version>
     <mockito-version>1.10.19</mockito-version>
-    <mqtt-client-version>1.10</mqtt-client-version>
+    <mqtt-client-version>1.11</mqtt-client-version>
     <openjpa-version>1.2.0</openjpa-version>
     <org-apache-derby-version>10.11.1.1</org-apache-derby-version>
     <org.osgi.core-version>4.3.1</org.osgi.core-version>
@@ -110,7 +110,7 @@
     <saxon-bundle-version>9.5.1-1_1</saxon-bundle-version>
     <scala-plugin-version>3.1.0</scala-plugin-version>
     <scala-version>2.11.0</scala-version>
-    <shiro-version>1.2.2</shiro-version>
+    <shiro-version>1.2.4</shiro-version>
     <scalatest-version>2.1.5</scalatest-version>
     <slf4j-version>1.7.10</slf4j-version>
     <snappy-version>1.1.0.1</snappy-version>
@@ -124,7 +124,7 @@
     <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>1.4.7</xstream-version>
+    <xstream-version>1.4.8</xstream-version>
     <xbean-version>3.18</xbean-version>
     <xerces-version>2.11.0</xerces-version>
     <jaxb-basics-version>0.6.4</jaxb-basics-version>