diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index befdfdf..0cc0f43
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ amqp==2.6.1
 billiard==3.6.3.0
 blinker==1.4
 cachelib==0.1.1
-celery==4.4.7
+celery==5.2.2
 certifi==2020.4.5.1
 chardet==3.0.4
 click==7.1.2