diff --git a/app/requirements.txt b/app/requirements.txt
index ff8d7a9..13c1188 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -24,7 +24,7 @@ oauth2client==4.1.2
 oauthlib==2.0.6
 openapi-codec==1.3.1
 psycopg2==2.7.3.1
-pyasn1==0.4.2
+pyasn1==0.6.4
 pyasn1-modules==0.2.1
 pylint==1.8.3
 python-magic==0.4.15