diff --git a/build.gradle b/build.gradle
index c946c29..dce34e9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -65,7 +65,7 @@
     implementation 'org.springframework.boot:spring-boot-starter-security'
     implementation 'org.springframework.security:spring-security-oauth2-client'
     implementation 'org.springframework.security:spring-security-oauth2-jose'
-    implementation 'com.fasterxml.jackson.module:jackson-module-kotlin'
+    implementation 'com.fasterxml.jackson.module:jackson-module-kotlin:2.9.9'
     implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
     implementation 'org.springframework.session:spring-session-data-redis:2.0.10.RELEASE'
     implementation 'org.jetbrains.kotlin:kotlin-reflect'