diff --git a/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.lock b/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.lock
index 2ae9e459ea..15bed27a62 100644
--- a/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.lock
+++ b/listings/ch02-guessing-game-tutorial/listing-02-03/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 = "cfg-if"
@@ -40,9 +40,9 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[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/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.toml b/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.toml
index eba27a883c..1d8052eb39 100644
--- a/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.toml
+++ b/listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2024"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rand = "0.8.5"
+rand = "0.8.6"