diff --git a/backend/Dockerfile b/backend/Dockerfile
index 30a59ba43a27224930a8aec7a1f15854562dda51..4610c8ce7900e821d47885f0762b3672d111e4d3 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -16,7 +16,7 @@ FROM python:3.11.4-slim-bookworm as django
 
 RUN apt update -y && apt upgrade -y && apt install -y python3-dev libpq-dev cron
 
-RUN useradd -ms /bin/bash worker && usermod -aG cron worker
+RUN useradd -ms /bin/bash worker && usermod -aG crontab worker
 
 WORKDIR  /code