diff --git a/examples/developer-hub-rust/Cargo.lock b/examples/developer-hub-rust/Cargo.lock
index dbc40c4d..8b6a3604 100644
--- a/examples/developer-hub-rust/Cargo.lock
+++ b/examples/developer-hub-rust/Cargo.lock
@@ -75,7 +75,7 @@ dependencies = [
  "either",
  "k256",
  "once_cell",
- "rand 0.8.5",
+ "rand 0.8.6",
  "secp256k1",
  "serde",
  "serde_with",
@@ -476,7 +476,7 @@ dependencies = [
  "alloy-signer",
  "async-trait",
  "k256",
- "rand 0.8.5",
+ "rand 0.8.6",
  "thiserror",
 ]
 
@@ -747,7 +747,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1df2c09229cbc5a028b1d70e00fdb2acee28b1055dfb5ca73eea49c5a25c4e7c"
 dependencies = [
  "num-traits",
- "rand 0.8.5",
+ "rand 0.8.6",
 ]
 
 [[package]]
@@ -757,7 +757,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94893f1e0c6eeab764ade8dc4c0db24caf4fe7cbbaafc0eba0a9030f447b5185"
 dependencies = [
  "num-traits",
- "rand 0.8.5",
+ "rand 0.8.6",
 ]
 
 [[package]]
@@ -1393,7 +1393,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "835c052cb0c08c1acf6ffd71c022172e18723949c8282f2b9f27efbc51e64534"
 dependencies = [
  "byteorder",
- "rand 0.8.5",
+ "rand 0.8.6",
  "rustc-hex",
  "static_assertions",
 ]
@@ -2571,9 +2571,9 @@ checksum = "dc33ff2d4973d518d823d61aa239014831e521c75da58e3df4840d3f47749d09"
 
 [[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 0.3.1",
@@ -2767,7 +2767,7 @@ dependencies = [
  "parity-scale-codec",
  "primitive-types",
  "proptest",
- "rand 0.8.5",
+ "rand 0.8.6",
  "rand 0.9.2",
  "rlp",
  "ruint-macro",
@@ -2949,7 +2949,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b50c5943d326858130af85e049f2661ba3c78b26589b8ab98e65e80ae44a1252"
 dependencies = [
  "bitcoin_hashes",
- "rand 0.8.5",
+ "rand 0.8.6",
  "secp256k1-sys",
  "serde",
 ]