diff --git a/build.gradle b/build.gradle
index 4e06a79..4a17c96 100644
--- a/build.gradle
+++ b/build.gradle
@@ -16,6 +16,8 @@ dependencies {
     api 'com.fasterxml.jackson.core:jackson-databind:2.13.0'
     api 'com.fasterxml.jackson.datatype:jackson-datatype-jdk8:2.12.3'
     api 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.12.3'
+    testImplementation 'org.mockito:mockito-core:5.3.1'
+    testImplementation 'org.mockito:mockito-junit-jupiter:5.3.1'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.2'
     testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.8.2'
 }