diff --git a/requirements.txt b/requirements.txt
index 1cd47b0..43f886a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ backports.ssl-match-hostname==3.7.0.1
 certifi==2019.11.28
 chardet==3.0.4
 configobj==5.0.6
-croniter==0.3.30
+croniter==0.3.31
 dnspython==1.16.0
 docker==4.1.0
 docker-pycreds==0.4.0