diff --git a/pom.xml b/pom.xml
index d1a53cc..e0eeb0d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -34,6 +34,18 @@
       <version>1.9.9</version>
     </dependency>
 
+    <dependency>
+      <groupId>com.badlogicgames.gdx</groupId>
+      <artifactId>gdx-backend-headless</artifactId>
+      <version>1.9.9</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.mockito</groupId>
+      <artifactId>mockito-core</artifactId>
+      <version>3.3.0</version>
+    </dependency>
+
     <dependency>
       <groupId>com.badlogicgames.gdx</groupId>
       <artifactId>gdx-platform</artifactId>