diff --git a/spring-security-rest/build.gradle b/spring-security-rest/build.gradle
index 5822becf..8f71d6d2 100644
--- a/spring-security-rest/build.gradle
+++ b/spring-security-rest/build.gradle
@@ -20,7 +20,7 @@ dependencies {
     api 'org.bouncycastle:bcprov-jdk15on:1.65'
 
     api "com.nimbusds:nimbus-jose-jwt:8.17"
-    api 'commons-codec:commons-codec:1.15'
+    api 'commons-codec:commons-codec:1.16.1'
     api "org.grails.plugins:spring-security-core:${springSecurityCoreVersion}"
 
     api "commons-fileupload:commons-fileupload:1.4"