diff --git a/requirements.txt b/requirements.txt
index 7f67371e..28a4af01 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ paramiko==3.4.0
 pexpect==4.8.0
 ptyprocess==0.7.0
 pycparser==2.21
-PyNaCl==1.5.0
+PyNaCl==1.6.2
 pyserial==3.5
 python-dateutil==2.8.2
 pytz==2023.3