diff --git a/Cargo.toml b/Cargo.toml
index a5cee12..0ebda61 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,10 +11,10 @@ documentation = "https://docs.rs/brute-force"
 [dependencies]
 crossbeam-channel = "0.5.0"
 crossbeam-utils = "0.8.1"
-curve25519-dalek = { version = "3.0.2", optional = true }
+curve25519-dalek = {  package = "curve25519-dalek-ng", version = "4.0.1", optional = true }
 log = "0.4.14"
 num_cpus = "1.13.0"
-rand = { version = "0.7", optional = true }
+rand = { version = "0.8.1", optional = true }
 
 [features]
 nightly = []