diff --git a/orca-mine/orca-mine.gradle b/orca-mine/orca-mine.gradle
index b0b03e4010..1b62bf73ac 100644
--- a/orca-mine/orca-mine.gradle
+++ b/orca-mine/orca-mine.gradle
@@ -27,6 +27,7 @@ dependencies {
   implementation("io.spinnaker.kork:kork-retrofit")
 
   testImplementation("org.junit.jupiter:junit-jupiter-params")
+  testImplementation("org.assertj:assertj-core")
   testImplementation("com.github.tomakehurst:wiremock-jre8-standalone")
 }