diff --git a/07_celery/przyklady/web_app/requirements.txt b/07_celery/przyklady/web_app/requirements.txt
index 09833df..f2fd2ab 100644
--- a/07_celery/przyklady/web_app/requirements.txt
+++ b/07_celery/przyklady/web_app/requirements.txt
@@ -1,7 +1,7 @@
 amqp==2.2.2
 billiard==3.5.0.3
 blinker==1.4
-celery==4.1.0
+celery==5.2.2
 certifi==2018.4.16
 chardet==3.0.4
 click==6.7