diff --git a/requirements.txt b/requirements.txt
index ef477ed..a0b3b4b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ PyJWT==2.4.0
 PyMySQL >= 0.7.11, < 1.0.0 ; python_version < '3.6'
 PyMySQL >= 1.0.0 ; python_version >= '3.6'
 PyMySQL==1.1.1
-PyNaCl==1.5
+PyNaCl==1.6.2
 Pygments==2.15.0
 SecretStorage==2.3.1
 asn1crypto==0.24.0