diff --git a/fitnesstrax/app/Cargo.toml b/fitnesstrax/app/Cargo.toml
index bfb1eca..9680e26 100644
--- a/fitnesstrax/app/Cargo.toml
+++ b/fitnesstrax/app/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-adw             = { version = "0.5", package = "libadwaita", features = [ "v1_2" ] }
+adw             = { version = "0.5", package = "libadwaita", features = [ "v1_4" ] }
 async-channel   = { version = "2.1" }
 chrono          = { version = "0.4" }
 chrono-tz       = { version = "0.8" }
diff --git a/fitnesstrax/app/src/app_window.rs b/fitnesstrax/app/src/app_window.rs
index b372104..5990dde 100644
--- a/fitnesstrax/app/src/app_window.rs
+++ b/fitnesstrax/app/src/app_window.rs
@@ -37,8 +37,7 @@ pub struct AppWindow {
     layout: gtk::Box,
     current_view: Rc<RefCell<View>>,
     settings: gio::Settings,
-    overlay: gtk::Overlay,
-    modal: RefCell<Option<gtk::Widget>>,
+    navigation: adw::NavigationView,
 }
 
 impl AppWindow {
@@ -78,11 +77,13 @@ impl AppWindow {
         #[allow(deprecated)]
         context.add_provider(&provider, STYLE_PROVIDER_PRIORITY_USER);
 
-        let overlay = gtk::Overlay::new();
+        let navigation = adw::NavigationView::new();
 
+        /*
         let header = adw::HeaderBar::builder()
             .title_widget(&gtk::Label::new(Some("FitnessTrax")))
             .build();
+            */
 
         let layout = gtk::Box::builder()
             .orientation(gtk::Orientation::Vertical)
@@ -90,12 +91,21 @@ impl AppWindow {
 
         let initial_view = View::Placeholder(PlaceholderView::new().upcast());
 
-        layout.append(&header);
+        // layout.append(&header);
         layout.append(initial_view.widget());
 
-        overlay.set_child(Some(&layout));
+        let nav_layout = gtk::Box::new(gtk::Orientation::Vertical, 0);
+        nav_layout.append(&adw::HeaderBar::new());
+        nav_layout.append(&layout);
+        navigation.push(
+            &adw::NavigationPage::builder()
+                .can_pop(false)
+                .title("FitnessTrax")
+                .child(&nav_layout)
+                .build(),
+        );
 
-        window.set_content(Some(&overlay));
+        window.set_content(Some(&navigation));
         window.present();
 
         let gesture = gtk::GestureClick::new();
@@ -107,8 +117,7 @@ impl AppWindow {
             layout,
             current_view: Rc::new(RefCell::new(initial_view)),
             settings: gio::Settings::new(app_id),
-            overlay,
-            modal: RefCell::new(None),
+            navigation,
         };
 
         s
@@ -118,21 +127,6 @@ impl AppWindow {
         self.swap_main(self.construct_view(view));
     }
 
-    pub fn open_modal(&self, modal: gtk::Widget) {
-        self.close_modal();
-
-        self.overlay.add_overlay(&modal);
-        *self.modal.borrow_mut() = Some(modal);
-    }
-
-    pub fn close_modal(&self) {
-        match *self.modal.borrow() {
-            Some(ref widget) => self.overlay.remove_overlay(widget),
-            None => {}
-        }
-        *self.modal.borrow_mut() = None;
-    }
-
     pub fn process_response(&self, response: AppResponse) {
         match response {
             AppResponse::DatabaseChanged(db_path) => {
@@ -211,7 +205,16 @@ impl AppWindow {
                     ],
                     {
                         let s = self.clone();
-                        Rc::new(move |date, records| s.open_modal(day_detail(date, records)))
+                        Rc::new(move |date: chrono::NaiveDate, records| {
+                            let layout = gtk::Box::new(gtk::Orientation::Vertical, 0);
+                            layout.append(&adw::HeaderBar::new());
+                            layout.append(&day_detail(date, records));
+                            let page = &adw::NavigationPage::builder()
+                                .title(date.format("%Y-%m-%d").to_string())
+                                .child(&layout)
+                                .build();
+                            s.navigation.push(page);
+                        })
                     },
                 )
                 .upcast(),
diff --git a/flake.lock b/flake.lock
index ca25ad3..6edcaf2 100644
--- a/flake.lock
+++ b/flake.lock
@@ -51,16 +51,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1691421349,
-        "narHash": "sha256-RRJyX0CUrs4uW4gMhd/X4rcDG8PTgaaCQM5rXEJOx6g=",
+        "lastModified": 1703200384,
+        "narHash": "sha256-q5j06XOsy0qHOarsYPfZYJPWbTbc8sryRxianlEPJN0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "011567f35433879aae5024fc6ec53f2a0568a6c4",
+        "rev": "0b3d618173114c64ab666f557504d6982665d328",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-23.05",
+        "ref": "nixos-23.11",
         "type": "indirect"
       }
     },
diff --git a/flake.nix b/flake.nix
index 387310c..0854e20 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "Lumenescent Dreams Tools";
 
   inputs = {
-    nixpkgs.url = "nixpkgs/nixos-23.05";
+    nixpkgs.url = "nixpkgs/nixos-23.11";
     unstable.url = "nixpkgs/nixos-unstable";
     pkgs-cargo2nix.url = "github:cargo2nix/cargo2nix";
     typeshare.url = "github:1Password/typeshare";