diff --git a/pom.xml b/pom.xml
index 0a8f850..63133db 100644
--- a/pom.xml
+++ b/pom.xml
@@ -97,13 +97,13 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.1.1</version>
+            <version>4.5.2</version>
             <type>jar</type>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient-cache</artifactId>
-            <version>4.1.1</version>
+            <version>4.5.2</version>
             <type>jar</type>
         </dependency>
         <dependency>
@@ -126,7 +126,7 @@
         <dependency>
             <groupId>xalan</groupId>
             <artifactId>xalan</artifactId>
-            <version>2.7.1</version>
+            <version>2.7.2</version>
         </dependency>
         <dependency>
             <groupId>xerces</groupId>