diff --git a/build.gradle.kts b/build.gradle.kts
index 77bd449..cdea450 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -12,7 +12,7 @@ spotless {
   }
   kotlin {
     target("**/*.kt", "**/*.kts")
-    targetExclude("buildSrc/build/generated-sources/**/*.kt")
+    targetExclude("buildSrc/build/generated-sources/**/*.kt", "buildSrc/build/kotlin-dsl/**/*.kts")
     // by default the target is every ".kt" and ".kts` file in the java sourcesets
     ktfmt() // intellij plugin available
   }