diff --git a/requirements_pinned.txt b/requirements_pinned.txt
--- a/requirements_pinned.txt
+++ b/requirements_pinned.txt
@@ -2,6 +2,7 @@
 
 atomicwrites==1.3.0
 attrs==19.1.0
+asn1crypto==0.24.0
 billiard==3.6.1.0
 cffi==1.12.3
 chameleon==2.24
@@ -14,6 +15,7 @@ ipaddress==1.0.23
 jinja2==2.9.6
 jsonschema==2.6.0
 pluggy==0.13.0
+pyasn1-modules==0.2.6
 pyramid-jinja2==2.7
 scandir==1.10.0
 setproctitle==1.1.10