diff --git a/build.gradle.kts b/build.gradle.kts
index 4dac537..0bd1f63 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -11,7 +11,7 @@ plugins {
     id("io.github.gradle-nexus.publish-plugin") version "2.0.0"
     alias(libs.plugins.kotlinJvm) apply false
     id("com.google.devtools.ksp") version "2.3.6" apply false
-    id("org.openapi.generator") version "7.20.0" apply false
+    id("org.openapi.generator") version "7.21.0" apply false
     id("org.jlleitschuh.gradle.ktlint") version "14.2.0" apply false
 }