diff --git a/guessing_game/Cargo.lock b/guessing_game/Cargo.lock
index ee5d790..7663fb9 100644
--- a/guessing_game/Cargo.lock
+++ b/guessing_game/Cargo.lock
@@ -2,6 +2,139 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
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+checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
 [[package]]
 name = "guessing_game"
 version = "0.1.0"
+dependencies = [
+ "rand",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.159"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
+
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+ "zerocopy",
+]
+
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+ "unicode-ident",
+]
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+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
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+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
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+ "rand_core",
+]
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+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89132cd0bf050864e1d38dc3bbc07a0eb8e7530af26344d3d2bbbef83499f590"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
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+dependencies = [
+ "byteorder",
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/guessing_game/Cargo.toml b/guessing_game/Cargo.toml
index 4e348c8..d508e95 100644
--- a/guessing_game/Cargo.toml
+++ b/guessing_game/Cargo.toml
@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+rand = "0.8.5"
diff --git a/guessing_game/src/main.rs b/guessing_game/src/main.rs
index af9a89f..dc541c8 100644
--- a/guessing_game/src/main.rs
+++ b/guessing_game/src/main.rs
@@ -1,7 +1,10 @@
 use std::io;
+use rand::Rng;
 
 fn main() {
     println!("Guess the number!");
+    let secret_number = rand::thread_rng().gen_range(1..=100);
+    println!("The secret number is: {secret_number}");
     println!("Please input your guess.");
 
     let mut guess = String::new();
@@ -10,5 +13,5 @@ fn main() {
         .read_line(&mut guess)
         .expect("Failed to read line");
 
-    println!("You guessed: {}", guess);
+    println!("You guessed: {guess}");
 }