diff --git a/build.gradle b/build.gradle
index 0af1433f..624802e8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ buildscript {
     // force to use commons-io:2.11.0 instead of svg2ico-gradle-plugin transitive commons-io (which not includes org.apache.commons.io.FileUtils.copyInputStreamToFile method)
     configurations.classpath {
         resolutionStrategy {
-            force 'commons-io:commons-io:2.20.0'
+            force 'commons-io:commons-io:2.21.0'
         }
     }
 }
@@ -101,7 +101,7 @@ dependencies {
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.19.2'
 
     // https://mvnrepository.com/artifact/commons-io/commons-io
-    implementation 'commons-io:commons-io:2.20.0'
+    implementation 'commons-io:commons-io:2.21.0'
 
     // Provide JFontChooser
     implementation 'com.rover12421.opensource:JFontChooser:1.0.5-3'