diff --git a/Cargo.lock b/Cargo.lock
index c9567e0..a73b0b2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "blake2"
@@ -112,9 +112,9 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.8.5"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+checksum = "5ca0ecfa931c29007047d1bc58e623ab12e5590e8c7cc53200d5202b69266d8a"
 dependencies = [
  "libc",
  "rand_chacha",
diff --git a/Cargo.toml b/Cargo.toml
index 20ee333..71b43ae 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 [dependencies]
 blake2 = { version = "0.10.4", default-features = false }
 hex = { version = "0.4", default-features = false }
-rand = { version = "0.8.5", default-features = false }
+rand = { version = "0.8.6", default-features = false }
 sha3 = { version = "0.10.1", default-features = false }
 thiserror = "1.0"