diff --git a/requirements.txt b/requirements.txt
index 5b336f1..957213f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,6 @@ crcmod>=1.7,<2
 pycryptodome>=3.20,<4
 ed25519-blake2b>=1.4.1,<2
 coincurve>=20.0.0,<21
-pynacl>=1.5.0,<2
+pynacl>=1.6.2,<2
 base58>=2.1.1,<3
-cbor2>=5.6.1,<6
\ No newline at end of file
+cbor2>=5.6.1,<6