diff --git a/examples/spin-timer/Cargo.lock b/examples/spin-timer/Cargo.lock
index c3cf9ae2f..b26d9be45 100644
--- a/examples/spin-timer/Cargo.lock
+++ b/examples/spin-timer/Cargo.lock
@@ -3831,7 +3831,7 @@ checksum = "b820744eb4dc9b57a3398183639c511b5a26d2ed702cedd3febaa1393caa22cc"
 dependencies = [
  "bytes",
  "getrandom 0.3.2",
- "rand 0.9.0",
+ "rand 0.9.4",
  "ring",
  "rustc-hash",
  "rustls 0.23.37",
@@ -3904,13 +3904,12 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.9.0"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3779b94aeb87e8bd4e834cee3650289ee9e0d5677f976ecdb6d219e5f4f6cd94"
+checksum = "44c5af06bb1b7d3216d91932aed5265164bf384dc89cd6ba05cf59a35f5f76ea"
 dependencies = [
  "rand_chacha 0.9.0",
  "rand_core 0.9.3",
- "zerocopy",
 ]
 
 [[package]]