diff --git a/build.gradle b/build.gradle
index cbfe262..566e7a0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -55,6 +55,7 @@
     implementation group: 'javax.servlet', name: 'jstl', version: '1.2'
     implementation group: 'taglibs', name: 'standard', version: '1.1.2'
     implementation group: 'commons-codec', name: 'commons-codec', version: '1.6'
+    implementation 'org.apache.commons:commons-lang3:3.9'
 //    implementation 'org.flywaydb:flyway-core'
 //    implementation group: 'javax.servlet.jsp', name: 'jsp-api', version: '2.1'
     implementation group: 'log4j', name: 'log4j', version: '1.2.16'