diff --git a/examples/hello-world.rs b/examples/hello-world.rs
index 51671cc..738f061 100644
--- a/examples/hello-world.rs
+++ b/examples/hello-world.rs
@@ -189,7 +189,7 @@ impl winit::application::ApplicationHandler for Application {
                                 right: 600,
                                 bottom: 160,
                             },
-                            default_color: Color::rgb(255, 255, 255),
+                            default_color: Color::rgb(0, 0, 0),
                         }],
                         swash_cache,
                     )
@@ -205,7 +205,7 @@ impl winit::application::ApplicationHandler for Application {
                             view: &view,
                             resolve_target: None,
                             ops: Operations {
-                                load: LoadOp::Clear(wgpu::Color::BLACK),
+                                load: LoadOp::Clear(wgpu::Color::WHITE),
                                 store: wgpu::StoreOp::Store,
                             },
                         })],
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..51620a2
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,149 @@
+{
+  "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1746081462,
+        "narHash": "sha256-WmJBaktb33WwqNn5BwdJghAoiBnvnPhgHSBksTrF5K8=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "e3be528e4f03538852ba49b413ec4ac843edeb60",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "naersk": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1745925850,
+        "narHash": "sha256-cyAAMal0aPrlb1NgzMxZqeN1mAJ2pJseDhm2m6Um8T0=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "38bc60bbc157ae266d4a0c96671c6c742ee17a5f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1745930157,
+        "narHash": "sha256-y3h3NLnzRSiUkYpnfvnS669zWZLoqqI6NprtLQ+5dck=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "46e634be05ce9dc6d4db8e664515ba10b78151ae",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1746061036,
+        "narHash": "sha256-OxYwCGJf9VJ2KnUO+w/hVJVTjOgscdDg/lPv8Eus07Y=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3afd19146cac33ed242fc0fc87481c67c758a59e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1745930157,
+        "narHash": "sha256-y3h3NLnzRSiUkYpnfvnS669zWZLoqqI6NprtLQ+5dck=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "46e634be05ce9dc6d4db8e664515ba10b78151ae",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "fenix": "fenix",
+        "flake-utils": "flake-utils",
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs_3"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1746024678,
+        "narHash": "sha256-Q5J7+RoTPH4zPeu0Ka7iSXtXty228zKjS0Ed4R+ohpA=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "5d66d45005fef79751294419ab9a9fa304dfdf5c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
index 4e418a0..2b2225b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -51,7 +51,6 @@
             cargo-flamegraph
             fontconfig
             just
-            sqlx-cli
             cargo-watch
           ];
         in rec