diff --git a/requirements.txt b/requirements.txt
index f08a6c08..af15ba48 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ cryptography==2.3.1
 jsonschema==2.6.0
 lxml==4.2.1
 ndg-httpsclient==0.5.0
-pyasn1==0.4.3
+pyasn1==0.4.6
 pyOpenSSL==18.0.0
 -e git+https://github.com/LabAdvComp/parcel.git@8cf5fe9922f3f3f1f9930c47783fc18c512d6b6a#egg=parcel
 PyYAML==3.13