diff --git a/build.sbt b/build.sbt
index f3d84863a..98789be3a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -108,6 +108,7 @@ lazy val root = (project in file("."))
   .aggregate(jesBackend)
   .aggregate(tesBackend)
   .aggregate(engine)
+  .aggregate(cromwellApiClient)
   // Next level of projects to include in the fat jar (their dependsOn will be transitively included)
   .dependsOn(engine)
   .dependsOn(jesBackend)