diff --git a/android/app/build.gradle b/android/app/build.gradle
index 083bda981..4f4e104bb 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -439,6 +439,7 @@ dependencies {
     androidTestImplementation 'com.squareup.okhttp3:okhttp:4.9.2'
 
     testImplementation 'junit:junit:4.13.2'
+    testImplementation "io.mockk:mockk:1.13.5"
 
     implementation "com.github.YarikSOffice:lingver:1.3.0"
     // from https://github.com/getlantern/opus_android