diff --git a/requirements.txt b/requirements.txt
index 22c7f7e0..06c90d6f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ packaging==20.9
 paramiko==2.10.4
 pycparser==2.20
 Pygments==2.9.0
-PyNaCl==1.4.0
+PyNaCl==1.6.2
 pyparsing==2.4.7
 PyYAML==5.4.1
 rich==10.1.0