diff --git a/codexdht.nimble b/codexdht.nimble
index 2d6037c..65fb548 100644
--- a/codexdht.nimble
+++ b/codexdht.nimble
@@ -10,7 +10,7 @@ skipDirs      = @["tests"]
 requires "nim >= 2.0.14 & < 3.0.0"
 requires "secp256k1" # >= 0.5.2 & < 0.6.0
 requires "protobuf_serialization" # >= 0.2.0 & < 0.3.0
-requires "nimcrypto >= 0.5.4 & < 0.6.0"
+requires "nimcrypto >= 0.6.0 & < 0.7.0"
 requires "bearssl >= 0.2.5 & < 0.3.0"
 requires "chronicles >= 0.10.2 & < 0.11.0"
 requires "chronos >= 4.0.3 & < 4.1.0"