diff --git a/pdf-merger-accelerator/pom.xml b/pdf-merger-accelerator/pom.xml
index e84b9b1..be0b67f 100644
--- a/pdf-merger-accelerator/pom.xml
+++ b/pdf-merger-accelerator/pom.xml
@@ -17,7 +17,7 @@
     <properties>
         <java.version>1.8</java.version>
         <jmh.version>1.23</jmh.version>
-        <itextpdf.version>5.5.13.1</itextpdf.version>
+        <itextpdf.version>5.5.13.3</itextpdf.version>
     </properties>
 
     <dependencies>