diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 5805dda..c461e82
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ anyjson==0.3.3
 backcall==0.1.0
 billiard==3.5.0.5
 bleach==3.1.0
-celery==4.2.1
+celery==5.2.2
 certifi==2018.11.29
 chardet==3.0.4
 colorama==0.4.1