diff --git a/pom.xml b/pom.xml
index ae80f18..8a0a3d0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -140,7 +140,7 @@
         <dependency>
             <groupId>com.itextpdf</groupId>
             <artifactId>itextpdf</artifactId>
-            <version>5.5.3</version>
+            <version>5.5.12</version>
         </dependency>
         <dependency>
             <groupId>javax.mail</groupId>