diff --git a/requirements.txt b/requirements.txt
index 14e9d0a..5e46245 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ Pygments==2.2.0
 pykerberos==1.1.14
 pyOpenSSL==17.2.0
 pyparsing==2.2.0
-pysaml2==4.4.0
+pysaml2==6.5.0
 python-dateutil==2.6.1
 pytz==2017.2
 PyYAML==3.12