diff --git a/medicine/default.docker-compose.override.yml b/medicine/default.docker-compose.override.yml
index aecac09..c4031a9 100644
--- a/medicine/default.docker-compose.override.yml
+++ b/medicine/default.docker-compose.override.yml
@@ -10,3 +10,9 @@ services:
   app:
     external_links:
       - "tfoms-patient:patient-search-host"
+      - "service-thumbgen:service-thumbgen-host"
+
+  tasks:
+    external_links:
+      - "tfoms-patient:patient-search-host"
+      - "service-thumbgen:service-thumbgen-host"