diff --git a/pdfocr-tesseract4/pom.xml b/pdfocr-tesseract4/pom.xml
index 151b149..120e713 100644
--- a/pdfocr-tesseract4/pom.xml
+++ b/pdfocr-tesseract4/pom.xml
@@ -74,7 +74,7 @@
     <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>
-      <version>2.14.0</version>
+      <version>2.21.0</version>
     </dependency>
     <dependency>
       <groupId>com.itextpdf</groupId>