diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index c4e4443..dc7ce35
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ asn1crypto==0.23.0
 bcrypt==3.1.3
 beautifulsoup4==4.6.0
 billiard==3.3.0.23
-celery==3.1.26.post2
+celery==5.2.2
 certifi==2017.7.27.1
 cffi==1.9.1
 chardet==3.0.4