diff --git a/docker-compose.yaml b/docker-compose.yaml
index 51a0ba09572c4b5749eddab3ad83b633568cfa6a..8a4e5a7a4c678206ca70c51c3871d0a0ada46f33 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -37,6 +37,7 @@ services:
     user: "${UID}:${GID}"
     volumes: 
       - /var/run/docker.sock:/var/run/docker.sock
+      - 'backend_dta_data: /dta-tests-assignments'
       - '/tmp/dta-tests:/tmp/dta-tests'
 volumes:
   mariadb_data_dtt:
@@ -45,3 +46,5 @@ volumes:
     driver: local
   moodledata_data_dtt:
     driver: local
+  backend_dta_data:
+    driver: local
\ No newline at end of file