diff --git a/sample/build.gradle b/sample/build.gradle
index e8bae6d..f366fca 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -30,7 +30,7 @@ dependencies {
     implementation 'org.jetbrains.kotlinx:kotlinx-serialization-runtime:0.14.0'
     implementation 'com.android.support:appcompat-v7:28.0.0'
 
-    androidTestImplementation 'org.jetbrains.kotlin:kotlin-test-junit:1.3.71'
+    androidTestImplementation 'org.jetbrains.kotlin:kotlin-test-junit:1.5.20'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
     androidTestImplementation 'androidx.test:monitor:1.2.0'