diff --git a/pom.xml b/pom.xml
index 1717b91..e50c894 100644
--- a/pom.xml
+++ b/pom.xml
@@ -300,7 +300,7 @@
         <dependency>
             <groupId>commons-collections</groupId>
             <artifactId>commons-collections</artifactId>
-            <version>3.0</version>
+            <version>3.2.2</version>
             <scope>compile</scope>
         </dependency>
 
@@ -321,7 +321,7 @@
         <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
-            <version>1.2.9</version>
+            <version>1.26.0</version>
             <scope>compile</scope>
         </dependency>