diff --git a/CHANGELOG.md b/CHANGELOG.md
index f286dca..dee31dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Upgrade to gleisbau 0.7.3
+
 
 ## [0.1.21] - 2026-02-15
 
diff --git a/README.md b/README.md
index 42c8d09..a7e8dfb 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ Decide for yourself which graph is the most comprehensible. :sunglasses:
 In case you have [Rust](https://www.rust-lang.org/) installed, you can install with `cargo`:
 
 ```
-cargo install git-igitt
+cargo install --locked git-igitt
 ```
 
 ## Usage
diff --git a/src/lib.rs b/src/lib.rs
deleted file mode 100644
index 5539f2f..0000000
--- a/src/lib.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-pub mod app;
-pub mod dialogs;
-pub mod settings;
-pub mod ui;
-pub mod util;
-pub mod widgets;
diff --git a/src/main.rs b/src/main.rs
index 85a860d..45b4f7d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,18 @@
+#![allow(clippy::collapsible_match)]
+
+pub mod app;
+pub mod dialogs;
+pub mod settings;
+pub mod ui;
+pub mod util;
+pub mod widgets;
+
+use crate::app::DiffMode;
+use crate::settings::AppSettings;
+use crate::{
+    app::{ActiveView, App, CurrentBranches},
+    dialogs::FileDialog,
+};
 use clap::{crate_version, Arg, Command};
 use crossterm::{
     event::{self, Event as CEvent, KeyCode, KeyEventKind, KeyModifiers},
@@ -5,13 +20,6 @@ use crossterm::{
     terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
 };
 use git2::Repository;
-use git_igitt::app::DiffMode;
-use git_igitt::settings::AppSettings;
-use git_igitt::{
-    app::{ActiveView, App, CurrentBranches},
-    dialogs::FileDialog,
-    ui,
-};
 use gleisbau::{
     config::{create_config, get_available_models, get_model, get_model_name},
     get_repo,
@@ -116,6 +124,7 @@ fn setup_logger(log_level: &str) {
     let _handle = log4rs::init_config(config).unwrap();
 }
 
+/// Parse command line arguments, read configuration, and run the application.
 fn from_args() -> Result<(), String> {
     let app_dir = AppDirs::new(Some("git-graph"), false).unwrap().config_dir;
     let mut models_dir = app_dir;
@@ -433,6 +442,7 @@ fn from_args() -> Result<(), String> {
     Ok(())
 }
 
+/// Run the application
 fn run(
     mut repository: Option<Repository>,
     mut settings: Settings,
@@ -487,6 +497,7 @@ fn run(
     let next_file_update: &Cell<Option<Instant>> = &Cell::new(None);
     let mut reset_diff_scroll = false;
 
+    // Define lambda function "next_event" for reading one event
     let mut next_event = {
         let mut sx_old = 0;
         let mut sy_old = 0;
@@ -531,6 +542,7 @@ fn run(
     let mut last_key = KeyCode::Esc;
     let mut key_repeat_time = INITIAL_KEY_REPEAT_TIME / 2;
 
+    // Event loop
     loop {
         app = if let Some(mut app) = app.take() {
             terminal.draw(|f| ui::draw(f, &mut app))?;
@@ -974,7 +986,7 @@ pub fn set_model<P: AsRef<Path>>(
     std::fs::write(&config_path, str).map_err(|err| {
         format!(
             "Can't write repository settings to file {}\n{}",
-            &config_path.display(),
+            config_path.display(),
             err
         )
     })?;
@@ -982,6 +994,7 @@ pub fn set_model<P: AsRef<Path>>(
     Ok(())
 }
 
+/// Create an App instance, using the provided configuration
 fn create_app(
     repository: Repository,
     settings: &mut Settings,
diff --git a/src/ui.rs b/src/ui.rs
index 125845e..3cb4b70 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -33,7 +33,7 @@ pub fn draw_open_repo<B: Backend>(f: &mut Frame<B>, dialog: &mut FileDialog) {
 
     let location_block = Block::default().borders(Borders::ALL).title(" Path ");
 
-    let paragraph = Paragraph::new(format!("{}", &dialog.location.display())).block(location_block);
+    let paragraph = Paragraph::new(format!("{}", dialog.location.display())).block(location_block);
     f.render_widget(paragraph, top_chunks[0]);
 
     let help = Paragraph::new("  Navigate with Arrows, confirm with Enter, abort with Esc.");
diff --git a/src/widgets/graph_view.rs b/src/widgets/graph_view.rs
index e5a1ebf..87594fb 100644
--- a/src/widgets/graph_view.rs
+++ b/src/widgets/graph_view.rs
@@ -12,6 +12,7 @@ use unicode_width::UnicodeWidthStr;
 const SCROLL_MARGIN: usize = 3;
 const SCROLLBAR_STR: &str = "\u{2588}";
 
+/// State used to render widget [GraphView]
 #[derive(Default)]
 pub struct GraphViewState {
     pub graph: Option<GitGraph>,
@@ -86,6 +87,8 @@ impl GraphViewState {
     }
 }
 
+/// Stateful widget for rendering the graph. The state is provided by
+/// [GraphViewState]
 #[derive(Default)]
 pub struct GraphView<'a> {
     block: Option<Block<'a>>,