diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index dc86437..966eead
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ anyjson==0.3.3
 argparse==1.2.1
 billiard==3.3.0.19
 blinker==1.3
-celery==3.1.17
+celery==5.2.2
 itsdangerous==0.24
 kombu==3.0.30
 pytz==2014.10