diff --git a/cubed/runtime/executors/modal.py b/cubed/runtime/executors/modal.py
index b285445f..41ecb242 100644
--- a/cubed/runtime/executors/modal.py
+++ b/cubed/runtime/executors/modal.py
@@ -16,7 +16,7 @@
 
 RUNTIME_MEMORY_MIB = 2000
 
-app = modal.App("cubed-app")
+app = modal.App("cubed-app", include_source=True)
 
 requirements_file = os.getenv("CUBED_MODAL_REQUIREMENTS_FILE")
 
diff --git a/cubed/tests/runtime/test_modal.py b/cubed/tests/runtime/test_modal.py
index a92dbaeb..399802e5 100644
--- a/cubed/tests/runtime/test_modal.py
+++ b/cubed/tests/runtime/test_modal.py
@@ -16,7 +16,7 @@
 tmp_path = "s3://cubed-unittest/map_unordered"
 
 
-app = modal.App("cubed-test-app")
+app = modal.App("cubed-test-app", include_source=True)
 
 image = modal.Image.debian_slim().pip_install(
     [