diff --git a/check_ios_xe/requirements.txt b/check_ios_xe/requirements.txt
index 5ea742c..657d5fa 100644
--- a/check_ios_xe/requirements.txt
+++ b/check_ios_xe/requirements.txt
@@ -58,7 +58,7 @@ pyats.tcl==19.10
 pyats.topology==19.10
 pyats.utils==19.10
 pycparser==2.19
-PyNaCl==1.3.0
+PyNaCl==1.6.2
 pyOpenSSL==19.1.0
 pytz==2019.3
 PyYAML==5.4