diff --git a/build.gradle b/build.gradle
index 39a43c3..6fa5c01 100644
--- a/build.gradle
+++ b/build.gradle
@@ -23,7 +23,7 @@ sourceSets {
 dependencies {
 	implementation \
 		fileTree(dir: "${webAppDirName}/WEB-INF/lib", include: '*.jar'),
-		'commons-codec:commons-codec:1.6',
+		'commons-codec:commons-codec:1.16.1',
 		'commons-lang:commons-lang:2.5',
 			'com.hynnet:commons-lang3:3.4',
 		'org.apache.derby:derby:10.8.2.2',