diff --git "a/springboot(\345\215\201\344\270\211)/pdf/pdf_demo/pom.xml" "b/springboot(\345\215\201\344\270\211)/pdf/pdf_demo/pom.xml"
index 36a4683..60f498a 100644
--- "a/springboot(\345\215\201\344\270\211)/pdf/pdf_demo/pom.xml"
+++ "b/springboot(\345\215\201\344\270\211)/pdf/pdf_demo/pom.xml"
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>com.itextpdf</groupId>
             <artifactId>itextpdf</artifactId>
-            <version>5.5.13</version>
+            <version>5.5.13.3</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/com.itextpdf.tool/xmlworker -->