diff --git a/gradlescripts/testoptions.gradle b/gradlescripts/testoptions.gradle
index 42b9166..7193f48 100644
--- a/gradlescripts/testoptions.gradle
+++ b/gradlescripts/testoptions.gradle
@@ -31,6 +31,13 @@ subprojects { module ->
                 includeAndroidResources = true
             }
         }
+        module.tasks.configureEach { task ->
+            if (task.taskIdentity.type.toString() == "class org.jetbrains.kotlin.gradle.tasks.KotlinCompile") {
+                task.kotlinOptions {
+                    freeCompilerArgs += "-opt-in=kotlin.RequiresOptIn"
+                }
+            }
+        }
     }
 
     plugins.withId("com.android.library") {
@@ -47,5 +54,12 @@ subprojects { module ->
                 includeAndroidResources = true
             }
         }
+        module.tasks.configureEach { task ->
+            if (task.taskIdentity.type.toString() == "class org.jetbrains.kotlin.gradle.tasks.KotlinCompile") {
+                task.kotlinOptions {
+                    freeCompilerArgs += "-opt-in=kotlin.RequiresOptIn"
+                }
+            }
+        }
     }
 }
\ No newline at end of file