diff --git a/app/build.gradle b/app/build.gradle
index 864291c..7ca8c69 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -19,9 +19,7 @@ repositories {
 dependencies {
     // Use JUnit Jupiter for testing.
     testImplementation 'org.junit.jupiter:junit-jupiter:5.9.1'
-
-    // This dependency is used by the application.
-    implementation 'com.google.guava:guava:31.1-jre'
+    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.9.1'
 }
 
 application {