diff --git a/requirements.txt b/requirements.txt
index aee8d8f..1b64051 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ nltk==3.4.5
 paramiko==2.6.0
 pprint==0.1
 pycparser==2.19
-PyNaCl==1.3.0
+PyNaCl==1.6.2
 python-dateutil==2.8.0
 python-dotenv==0.10.3
 python-gvm==1.0.0b3