diff --git a/Cargo.lock b/Cargo.lock
index ef6c318..a11ea51 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -111,6 +111,7 @@ dependencies = [
  "colored",
  "ignore",
  "nom",
+ "regex",
  "term-table",
 ]
 
@@ -238,9 +239,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.10.3"
+version = "1.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b62dbe01f0b06f9d8dc7d49e05a0785f153b00b2c227856282f671e0318c9b15"
+checksum = "c117dbdfde9c8308975b6a18d71f3f385c89461f7b3fb054288ecf2a2058ba4c"
 dependencies = [
  "aho-corasick",
  "memchr",
diff --git a/Cargo.toml b/Cargo.toml
index ee6b9a6..aecd12f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,4 +13,5 @@ clap = { version = "4.5.1", features = ["cargo"] }
 colored = "2.1.0"
 ignore = "0.4.22"
 nom = "7.1.3"
+regex = "1.10.4"
 term-table = "1.3.2"
diff --git a/README.md b/README.md
index 4efd15f..f05c3fd 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ code-peek [FLAGS] [OPTIONS] [ARGS]
 - _-a, --all_: Display all available information.
 - _-g, --group_: Group the results by file extension or programming language.
 - _-t, --git_: Get Git information (number of commits) for each file.
+- _--skip-lockfiles_: Skips lockfiles in analysis.
 
 ### Options
 
diff --git a/src/cli.rs b/src/cli.rs
index 0a66e28..49c5443 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -17,6 +17,7 @@ pub struct DisplayOptions {
     pub group: bool,
     pub git: bool,
     pub all: bool,
+    pub skip_lockfiles: bool,
 }
 
 pub fn run_cli() -> Result<Cli> {
@@ -37,6 +38,7 @@ pub fn run_cli() -> Result<Cli> {
     )
     .arg(arg!([all] -a --all "Display all available information").required(false))
     .arg(arg!([group] -g --group "Group the results by its extension").required(false))
+    .arg(arg!(--"skip-lockfiles" "Skips lockfiles in analysis").long("skip-lockfiles").required(false))
     .arg(arg!([git] -t --git "Get git info - how many commits were made to each file").required(false))
       .arg(
           arg!([match]
@@ -59,6 +61,10 @@ pub fn run_cli() -> Result<Cli> {
     let all = matches.get_one::<bool>("all").unwrap().to_owned();
     let group = all || matches.get_one::<bool>("group").unwrap().to_owned();
     let git = all || matches.get_one::<bool>("git").unwrap().to_owned();
+    let skip_lockfiles = matches
+        .get_one::<bool>("skip-lockfiles")
+        .unwrap()
+        .to_owned();
 
     let exclude = if let Some(globs) = matches.get_one::<String>("exclude") {
         globs
@@ -81,7 +87,12 @@ pub fn run_cli() -> Result<Cli> {
     let cli = Cli {
         dir: dir.to_string(),
         num,
-        display_options: DisplayOptions { all, group, git },
+        display_options: DisplayOptions {
+            all,
+            group,
+            git,
+            skip_lockfiles,
+        },
         exclude,
         matches,
     };
diff --git a/src/display.rs b/src/display.rs
index 29b7330..8386d0f 100644
--- a/src/display.rs
+++ b/src/display.rs
@@ -38,11 +38,10 @@ pub fn display_info(
     let mut grouped_files: HashMap<FileType, Vec<File>> = HashMap::new();
 
     for file in files.iter() {
-        if let Some(x) = grouped_files.get_mut(&file.clone().get_file_type()) {
-            x.push(file.clone());
-        } else {
-            grouped_files.insert(file.clone().get_file_type(), vec![file.clone()]);
-        }
+        grouped_files
+            .entry(file.file_type)
+            .or_insert_with(|| Vec::new())
+            .push(file.to_owned());
     }
     println!(
         "{} {}\n",
diff --git a/src/file.rs b/src/file.rs
index 598ff0a..a8b6eee 100644
--- a/src/file.rs
+++ b/src/file.rs
@@ -5,6 +5,7 @@ use std::{
 };
 
 use ignore::{DirEntry, WalkBuilder};
+use regex::Regex;
 
 #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Hash)]
 pub enum FileType {
@@ -27,6 +28,7 @@ pub enum FileType {
     JavaScript,
     Julia,
     JupyterNotebook,
+    Lockfile,
     Lua,
     Markdown,
     Mojo,
@@ -34,8 +36,8 @@ pub enum FileType {
     Python,
     Rust,
     SQL,
-    Svelte,
     SVG,
+    Svelte,
     Swift,
     TOML,
     TypeScript,
@@ -52,16 +54,24 @@ pub struct File {
     pub path: String,
     pub loc: usize,
     pub extension: OsString,
+    pub file_type: FileType,
     pub commits: Option<usize>,
 }
 
 impl File {
-    pub fn get_file_type(&self) -> FileType {
+    pub fn add_file_type(&mut self) {
         if self.name.ends_with("svelte.ts") || self.name.ends_with("svelte.js") {
-            return FileType::Svelte;
+            self.file_type = FileType::Svelte;
+            return;
+        }
+
+        let lockfile_regex = Regex::new("(pnpm-lock|package-lock|project.assets|packages.lock|npm-shrinkwrap|go|elm-package).(json|yaml|yml|sum)").unwrap();
+        if lockfile_regex.is_match(self.name.as_str()) {
+            self.file_type = FileType::Lockfile;
+            return;
         }
 
-        match self.extension.to_str() {
+        self.file_type = match self.extension.to_str() {
             Some("js" | "cjs" | "mjs" | "jsx") => FileType::JavaScript,
             Some("ts" | "cts" | "mts" | "tsx") => FileType::TypeScript,
             Some("json" | "jsonb" | "jsonc") => FileType::JSON,
@@ -78,6 +88,7 @@ impl File {
             Some("gql" | "graphql" | "graphqls") => FileType::GraphQL,
             Some("ex" | "exs") => FileType::Elixir,
             Some("zig") => FileType::Zig,
+            Some("lock") => FileType::Lockfile,
             Some("gleam") => FileType::Gleam,
             Some("swift") => FileType::Swift,
             Some("c" | "ec" | "idc" | "pdc") => FileType::C,
@@ -115,7 +126,11 @@ impl Display for FileType {
     }
 }
 
-pub fn get_files(dir: &str, overrides: ignore::overrides::Override) -> Vec<File> {
+pub fn get_files(
+    dir: &str,
+    overrides: ignore::overrides::Override,
+    skip_lockfiles: &bool,
+) -> Vec<File> {
     let mut files: Vec<File> = Vec::new();
 
     for result in WalkBuilder::new(dir)
@@ -128,7 +143,11 @@ pub fn get_files(dir: &str, overrides: ignore::overrides::Override) -> Vec<File>
                 if entry.path().to_str().unwrap().contains(".git/") {
                     continue;
                 }
-                if let Some(file) = get_file_info(&entry, dir) {
+                if let Some(mut file) = get_file_info(&entry, dir) {
+                    file.add_file_type();
+                    if *skip_lockfiles && file.file_type == FileType::Lockfile {
+                        continue;
+                    }
                     files.push(file)
                 }
             }
@@ -162,6 +181,7 @@ fn get_file_info(entry: &DirEntry, dir: &str) -> Option<File> {
             extension,
             loc: lines,
             commits: None,
+            file_type: FileType::Other,
         });
     }
 
@@ -174,14 +194,40 @@ mod tests {
 
     #[test]
     fn file_type() {
-        let file = File {
+        let mut file = File {
             name: String::from("foo.rs"),
             path: String::from("foo.rs"),
             loc: 12,
             extension: OsString::from("rs"),
             commits: None,
+            file_type: FileType::Other,
+        };
+        file.add_file_type();
+
+        assert_eq!(file.file_type, FileType::Rust);
+
+        let mut file = File {
+            name: String::from("Cargo.lock"),
+            path: String::from("Cargo.lock"),
+            loc: 12,
+            extension: OsString::from("lock"),
+            commits: None,
+            file_type: FileType::Other,
+        };
+        file.add_file_type();
+
+        assert_eq!(file.file_type, FileType::Lockfile);
+
+        let mut file = File {
+            name: String::from("pnpm-lock.yaml"),
+            path: String::from("pnpm-lock.yaml"),
+            loc: 12,
+            extension: OsString::from("yaml"),
+            commits: None,
+            file_type: FileType::Other,
         };
+        file.add_file_type();
 
-        assert_eq!(file.get_file_type(), FileType::Rust)
+        assert_eq!(file.file_type, FileType::Lockfile)
     }
 }
diff --git a/src/main.rs b/src/main.rs
index e44e09a..199e4ad 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -22,7 +22,7 @@ fn main() {
     }
     let overrides = builder.build().unwrap();
 
-    let mut files = get_files(dir, overrides);
+    let mut files = get_files(dir, overrides, &cli.display_options.skip_lockfiles);
 
     let total_commits = if cli.display_options.git || cli.display_options.all {
         add_git_info(&mut files, dir)