diff --git a/build.gradle b/build.gradle
index acfb9de..d950b41 100644
--- a/build.gradle
+++ b/build.gradle
@@ -81,6 +81,6 @@ dependencies {
 	testImplementation 'junit:junit:4.9'
 	testImplementation 'net.sf.jsignature.io-tools:easystream:1.2.14'
 	testImplementation 'com.github.zafarkhaja:java-semver:0.9.0'
-	testImplementation 'commons-codec:commons-codec:1.8'
+	testImplementation 'commons-codec:commons-codec:1.21.0'
 	
 }