diff --git a/requirements.txt b/requirements.txt
index 50cf7f5..02434df 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ rq==0.12.0
 rq-dashboard==0.3.12
 rq-scheduler==0.8.3
 rq-scheduler-dashboard==0.0.2
-blinker==1.4
+blinker==1.6.1
 mongolog==0.1.1
 xylose==1.35.0
 -e git+https://git@github.com/scieloorg/legendarium@2.0.4#egg=legendarium