diff --git a/requirements.txt b/requirements.txt
index 0ccfb09..d31407d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ PyYAML==5.4.1
 Werkzeug==2.0.3 
 adal==1.2.7 
 aniso8601==9.0.1 
-asn1crypto==1.4.0 
+asn1crypto==1.5.1 
 atomicwrites==1.4.0 
 attrs==21.4.0 
 bcrypt==3.2.0