diff --git a/build.gradle b/build.gradle
index d78c576..9df96dc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -99,6 +99,6 @@ dependencies {
 	testImplementation 'com.google.guava:guava:18.0'
 	testImplementation 'org.mockito:mockito-core:3.0.0'
 	testImplementation 'com.github.zafarkhaja:java-semver:0.9.0'
-	testImplementation 'commons-io:commons-io:2.4'
+	testImplementation 'commons-io:commons-io:2.21.0'
 	testImplementation 'com.github.kbase:java_test_utilities:0.1.0'
 }