diff --git a/requirements.txt b/requirements.txt
index ee9be7c..4e38286 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 alabaster==0.7.10
 alembic==0.9.9
 appdirs==1.4.3
-asn1crypto==0.24.0
+asn1crypto==1.5.0
 aspy.yaml==1.1.1
 astroid==2.4.2
 attrs==18.1.0