diff --git a/app/docker-compose.debug.yml b/app/docker-compose.debug.yml
index 16d8006..602c799 100644
--- a/app/docker-compose.debug.yml
+++ b/app/docker-compose.debug.yml
@@ -1,8 +1,5 @@
-version: "3.8"
-
 # run with `docker compose -f`
 # combines ports and env vars with the main docker-compose.yml main-app service
-
 services:
   main-app:
     build:
diff --git a/app/docker-compose.yml b/app/docker-compose.yml
index 94be634..ddb0c30 100644
--- a/app/docker-compose.yml
+++ b/app/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3'
-
 services:
 
   main-db:
diff --git a/app/tests/src/db/test_bulk_ops.py b/app/tests/src/db/test_bulk_ops.py
index 8b72d14..69ea88d 100644
--- a/app/tests/src/db/test_bulk_ops.py
+++ b/app/tests/src/db/test_bulk_ops.py
@@ -15,9 +15,14 @@ class Number:
     num: int
 
 
+_next_id = 0
+
+
 def get_random_number_object() -> Number:
+    global _next_id
+    _next_id += 1
     return Number(
-        id=str(random.randint(1000000, 9999999)),
+        id=str(_next_id),
         num=random.randint(1, 10000),
     )