diff --git a/build.gradle b/build.gradle
index 20e9623..6218ff2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -32,7 +32,7 @@ dependencies {
     implementation "com.fasterxml.jackson.module:jackson-module-kotlin:2.11.2"
 
     // spring
-    implementation "org.springframework:spring-core:5.2.8.RELEASE"
+    implementation "org.springframework:spring-core:5.2.9.RELEASE"
     implementation "org.springframework:spring-web:5.2.9.RELEASE"
     kapt "org.springframework.boot:spring-boot-configuration-processor:2.3.3.RELEASE"