diff --git a/automated_detection_testing/requirements.txt b/automated_detection_testing/requirements.txt
index eba078d5f7..699c024fe6 100644
--- a/automated_detection_testing/requirements.txt
+++ b/automated_detection_testing/requirements.txt
@@ -48,7 +48,7 @@ py==1.8.1
 pycparser==2.19
 PyGithub==1.51
 PyJWT==1.7.1
-PyNaCl==1.3.0
+PyNaCl==1.4.0
 pyparsing==2.4.6
 pytest==5.3.2
 python-daemon==2.2.4