diff --git a/Corona-Warn-App/build.gradle b/Corona-Warn-App/build.gradle
index a7b7386713b653b79b3f2e7967387c592c9d952b..d4b62b61449d2525d9e6ff7af9bde7bc282ca84c 100644
--- a/Corona-Warn-App/build.gradle
+++ b/Corona-Warn-App/build.gradle
@@ -306,7 +306,7 @@ dependencies {
     def coroutineVersion = "1.4.2"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutineVersion"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutineVersion"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:$coroutineVersion"
+    testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:$coroutineVersion"
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 
     // ANDROID STANDARD