diff --git a/Cargo.lock b/Cargo.lock
index 2417187..bd59270 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,185 @@
 # It is not intended for manual editing.
 version = 4
 
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+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is_terminal_polyfill",
+ "utf8parse",
+]
+
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+ "once_cell_polyfill",
+ "windows-sys",
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 [[package]]
 name = "cpu-emulator"
 version = "0.1.0"
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+dependencies = [
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diff --git a/Cargo.toml b/Cargo.toml
index 411e763..2435b80 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+clap = { version = "4.5.54", features = ["derive"] }
diff --git a/src/main.rs b/src/main.rs
index 811e0cf..607fb34 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -5,14 +5,24 @@ mod memory;
 
 use cpu::CPU;
 use memory::Memory;
-
+use clap::Parser;
 use crate::assembler::assembler;
 
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+struct Args {
+    #[arg(short, long)]
+    filename: String,
+}
+
+
 fn main() {
+    let args = Args::parse();
+
     let mut cpu = CPU::default();
     let mut mem = Memory::new();
 
-    let asm = std::fs::read_to_string("program.asm").unwrap();
+    let asm = std::fs::read_to_string(args.filename).unwrap();
     let program = assembler(&asm);
 
     for (i, byte) in program.iter().enumerate() {