diff --git a/stable-requirements.txt b/stable-requirements.txt
index 079a441..e4ee572 100644
--- a/stable-requirements.txt
+++ b/stable-requirements.txt
@@ -44,7 +44,7 @@ py==1.11.0
 pycodestyle==2.9.1
 pycparser==2.21
 pyflakes==2.5.0
-PyNaCl==1.5.0
+PyNaCl==1.6.2
 pyparsing==3.0.9
 pytest==7.1.2
 pytest-cov==3.0.0