diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 439f8ed..f68de14
--- a/pom.xml
+++ b/pom.xml
@@ -124,7 +124,7 @@
     <dependency>
       <groupId>org.apache.pdfbox</groupId>
       <artifactId>pdfbox</artifactId>
-      <version>2.0.21</version>
+      <version>2.0.24</version>
     </dependency>
     <!-- https://mvnrepository.com/artifact/com.google.zxing/core -->
     <dependency>