diff --git a/example-21-jwt/build.gradle b/example-21-jwt/build.gradle
index 74c182d..9d829f8 100644
--- a/example-21-jwt/build.gradle
+++ b/example-21-jwt/build.gradle
@@ -21,7 +21,7 @@ dependencies {
 
     implementation 'io.jsonwebtoken:jjwt-api:0.12.4'
     runtimeOnly 'io.jsonwebtoken:jjwt-impl:0.12.4'
-    runtimeOnly 'io.jsonwebtoken:jjwt-jackson:0.12.4'
+    runtimeOnly 'io.jsonwebtoken:jjwt-jackson:0.12.5'
 
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testImplementation 'org.springframework.security:spring-security-test'