diff --git a/komga/build.gradle.kts b/komga/build.gradle.kts
index 5b7d1054..0b2b5f35 100644
--- a/komga/build.gradle.kts
+++ b/komga/build.gradle.kts
@@ -126,7 +126,7 @@ tasks {
       jvmTarget = "1.8"
       freeCompilerArgs = listOf(
         "-Xjsr305=strict",
-        "-Xopt-in=kotlin.time.ExperimentalTime",
+        "-opt-in=kotlin.time.ExperimentalTime",
       )
     }
   }