diff --git a/test-requirements.txt b/test-requirements.txt
index 3cbcd696..a1f58002 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -22,7 +22,7 @@ pluggy==0.13.1
 protobuf>=3.13.0,<6.0.0
 py==1.10.0
 pycparser==2.20
-PyNaCl==1.4.0
+PyNaCl==1.6.2
 pyparsing==2.4.7
 pyrsistent==0.18.0
 pytest<8.0.0