diff --git a/build.gradle.kts b/build.gradle.kts
index 51308fbd..2b81373d 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -70,7 +70,7 @@ repositories {
 }
 
 dependencies {
-  implementation("commons-io:commons-io:2.20.0")
+  implementation("commons-io:commons-io:2.21.0")
   implementation("com.google.guava:guava:33.5.0-jre")
   testImplementation("junit:junit:4.13.2")
   testImplementation("org.opentest4j:opentest4j:1.3.0")
diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index 205180d3..3da6f2e7 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -9,6 +9,6 @@ repositories {
 }
 
 dependencies {
-  implementation("commons-io:commons-io:2.20.0")
+  implementation("commons-io:commons-io:2.21.0")
   testImplementation("junit:junit:4.13.2")
 }