diff --git a/maven/poi.pom b/maven/poi.pom
index 69a887e21..843aaeba6 100644
--- a/maven/poi.pom
+++ b/maven/poi.pom
@@ -69,14 +69,26 @@
     <dependency>
       <groupId>log4j</groupId>
       <artifactId>log4j</artifactId>
-      <version>1.2.13</version>
+      <version>1.2.17</version>
       <scope>runtime</scope>
       <optional>true</optional>
     </dependency>
     <dependency>
       <groupId>commons-codec</groupId>
       <artifactId>commons-codec</artifactId>
-      <version>1.5</version>
+      <version>1.9</version>
+    </dependency>
+    <dependency>
+      <groupId>org.hamcrest</groupId>
+      <artifactId>hamcrest-core</artifactId>
+      <version>1.3</version>
+    </dependency>
+
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+      <version>4.11</version>
     </dependency>
   </dependencies>