diff --git a/build.gradle b/build.gradle
index 64b612e..7a1a373 100644
--- a/build.gradle
+++ b/build.gradle
@@ -12,6 +12,9 @@ repositories {
 dependencies {
     testImplementation platform('org.junit:junit-bom:5.10.0')
     testImplementation 'org.junit.jupiter:junit-jupiter'
+    testImplementation 'org.assertj:assertj-core:3.23.1'
+    testImplementation 'org.mockito:mockito-core:4.9.0'
+    testImplementation 'org.mockito:mockito-junit-jupiter:4.9.0'
 }
 
 test {