diff --git a/devbox.json b/devbox.json
deleted file mode 100644
index c169e5e..0000000
--- a/devbox.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  "$schema": "https://raw.githubusercontent.com/jetify-com/devbox/0.17.3/.schema/devbox.schema.json",
-  "packages": [
-    "odin@2026-04",
-    "gum@0.17.0"
-  ],
-  "shell": {
-    "scripts": {
-      "headers": [
-        "library=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library",
-        "frameworks=$(ls $library/Frameworks)",
-        "framework=$(gum choose $frameworks)",
-        "headers=$(ls $library/Frameworks/$framework/Headers)",
-        "header=$(gum choose $headers)",
-        "$EDITOR $library/Frameworks/$framework/Headers/$header"
-      ]
-    }
-  }
-}
diff --git a/devbox.lock b/devbox.lock
deleted file mode 100644
index 96d06fa..0000000
--- a/devbox.lock
+++ /dev/null
@@ -1,105 +0,0 @@
-{
-  "lockfile_version": "1",
-  "packages": {
-    "github:NixOS/nixpkgs/nixpkgs-unstable": {
-      "last_modified": "2026-06-12T12:41:42Z",
-      "resolved": "github:NixOS/nixpkgs/49a4bd0573c376468dd7996ddb6f9fa31d8c4d97?lastModified=1781268102&narHash=sha256-Zn5KTggEmUB3lXn%2FccERNcBdddE6IaOFber9dWViWDg%3D"
-    },
-    "gum@0.17.0": {
-      "last_modified": "2026-06-27T07:37:20Z",
-      "resolved": "github:NixOS/nixpkgs/3d46470bb3030020f7e1361f33514854f5bfa86d#gum",
-      "source": "devbox-search",
-      "version": "0.17.0",
-      "systems": {
-        "aarch64-darwin": {
-          "outputs": [
-            {
-              "name": "out",
-              "path": "/nix/store/55h6jsvhnhilka36s9jkld0k0d55c174-gum-0.17.0",
-              "default": true
-            }
-          ],
-          "store_path": "/nix/store/55h6jsvhnhilka36s9jkld0k0d55c174-gum-0.17.0"
-        },
-        "aarch64-linux": {
-          "outputs": [
-            {
-              "name": "out",
-              "path": "/nix/store/51vn4xsrgzfl9g3s00byydpx6jgjgrnd-gum-0.17.0",
-              "default": true
-            }
-          ],
-          "store_path": "/nix/store/51vn4xsrgzfl9g3s00byydpx6jgjgrnd-gum-0.17.0"
-        },
-        "x86_64-darwin": {
-          "outputs": [
-            {
-              "name": "out",
-              "path": "/nix/store/m2wks8knnsfgjl0ikhbi0vv7bqn53385-gum-0.17.0",
-              "default": true
-            }
-          ],
-          "store_path": "/nix/store/m2wks8knnsfgjl0ikhbi0vv7bqn53385-gum-0.17.0"
-        },
-        "x86_64-linux": {
-          "outputs": [
-            {
-              "name": "out",
-              "path": "/nix/store/w3h6fxv7jmapwcm3rxxwp83q16rnskm2-gum-0.17.0",
-              "default": true
-            }
-          ],
-          "store_path": "/nix/store/w3h6fxv7jmapwcm3rxxwp83q16rnskm2-gum-0.17.0"
-        }
-      }
-    },
-    "odin@2026-04": {
-      "last_modified": "2026-04-23T13:07:47Z",
-      "resolved": "github:NixOS/nixpkgs/01fbdeef22b76df85ea168fbfe1bfd9e63681b30#odin",
-      "source": "devbox-search",
-      "version": "2026-04",
-      "systems": {
-        "aarch64-darwin": {
-          "outputs": [
-            {
-              "name": "out",
-              "path": "/nix/store/bp9vf6k9bsawaf0yvds0zbwadr22j3pf-odin-dev-2026-04",
-              "default": true
-            }
-          ],
-          "store_path": "/nix/store/bp9vf6k9bsawaf0yvds0zbwadr22j3pf-odin-dev-2026-04"
-        },
-        "aarch64-linux": {
-          "outputs": [
-            {
-              "name": "out",
-              "path": "/nix/store/7x0iamy2g97888327jvzhf3sq63i92x5-odin-dev-2026-04",
-              "default": true
-            }
-          ],
-          "store_path": "/nix/store/7x0iamy2g97888327jvzhf3sq63i92x5-odin-dev-2026-04"
-        },
-        "x86_64-darwin": {
-          "outputs": [
-            {
-              "name": "out",
-              "path": "/nix/store/94ffmp6byrlrc8aibjq7hdc5am02dhrp-odin-dev-2026-04",
-              "default": true
-            }
-          ],
-          "store_path": "/nix/store/94ffmp6byrlrc8aibjq7hdc5am02dhrp-odin-dev-2026-04"
-        },
-        "x86_64-linux": {
-          "outputs": [
-            {
-              "name": "out",
-              "path": "/nix/store/dj690miai5nk9h5d38apq0xp0nq84i02-odin-dev-2026-04",
-              "default": true
-            }
-          ],
-          "store_path": "/nix/store/dj690miai5nk9h5d38apq0xp0nq84i02-odin-dev-2026-04"
-        }
-      }
-    }
-  }
-}
diff --git a/mise.lock b/mise.lock
new file mode 100644
index 0000000..4991637
--- /dev/null
+++ b/mise.lock
@@ -0,0 +1,79 @@
+# @generated - this file is auto-generated by `mise lock` https://mise.jdx.dev/dev-tools/mise-lock.html
+
+[[tools.gum]]
+version = "0.17.0"
+backend = "aqua:charmbracelet/gum"
+
+[tools.gum."platforms.linux-arm64"]
+checksum = "sha256:b0b9ed95cbf7c8b7073f17b9591811f5c001e33c7cfd066ca83ce8a07c576f9c"
+url = "https://github.com/charmbracelet/gum/releases/download/v0.17.0/gum_0.17.0_Linux_arm64.tar.gz"
+url_api = "https://api.github.com/repos/charmbracelet/gum/releases/assets/290080957"
+
+[tools.gum."platforms.linux-arm64-musl"]
+checksum = "sha256:b0b9ed95cbf7c8b7073f17b9591811f5c001e33c7cfd066ca83ce8a07c576f9c"
+url = "https://github.com/charmbracelet/gum/releases/download/v0.17.0/gum_0.17.0_Linux_arm64.tar.gz"
+url_api = "https://api.github.com/repos/charmbracelet/gum/releases/assets/290080957"
+
+[tools.gum."platforms.linux-x64"]
+checksum = "sha256:69ee169bd6387331928864e94d47ed01ef649fbfe875baed1bbf27b5377a6fdb"
+url = "https://github.com/charmbracelet/gum/releases/download/v0.17.0/gum_0.17.0_Linux_x86_64.tar.gz"
+url_api = "https://api.github.com/repos/charmbracelet/gum/releases/assets/290080949"
+
+[tools.gum."platforms.linux-x64-musl"]
+checksum = "sha256:69ee169bd6387331928864e94d47ed01ef649fbfe875baed1bbf27b5377a6fdb"
+url = "https://github.com/charmbracelet/gum/releases/download/v0.17.0/gum_0.17.0_Linux_x86_64.tar.gz"
+url_api = "https://api.github.com/repos/charmbracelet/gum/releases/assets/290080949"
+
+[tools.gum."platforms.macos-arm64"]
+checksum = "sha256:e2a4b8596efa05821d8c58d0c1afbcd7ad1699ba69c689cc3ff23a4a99c8b237"
+url = "https://github.com/charmbracelet/gum/releases/download/v0.17.0/gum_0.17.0_Darwin_arm64.tar.gz"
+url_api = "https://api.github.com/repos/charmbracelet/gum/releases/assets/290080948"
+
+[tools.gum."platforms.macos-x64"]
+checksum = "sha256:cd66576aeebe6cd19c771863c7e8d696e0e1d5387d1e7075666baa67c2052e53"
+url = "https://github.com/charmbracelet/gum/releases/download/v0.17.0/gum_0.17.0_Darwin_x86_64.tar.gz"
+url_api = "https://api.github.com/repos/charmbracelet/gum/releases/assets/290080970"
+
+[tools.gum."platforms.windows-x64"]
+checksum = "sha256:b2be80531c6babc8d4e0e6ca95773d58118a2e1582ae006aace08dbc55503072"
+url = "https://github.com/charmbracelet/gum/releases/download/v0.17.0/gum_0.17.0_Windows_x86_64.zip"
+url_api = "https://api.github.com/repos/charmbracelet/gum/releases/assets/290080922"
+
+[[tools.odin]]
+version = "dev-2026-04"
+backend = "github:odin-lang/Odin"
+
+[tools.odin."platforms.linux-arm64"]
+checksum = "sha256:ac3bd75e71ddacc67f34540f20f73c9e7e301d51333d8e040c390abac32f5bac"
+url = "https://github.com/odin-lang/Odin/releases/download/dev-2026-04/odin-linux-arm64-dev-2026-04.tar.gz"
+url_api = "https://api.github.com/repos/odin-lang/Odin/releases/assets/387767984"
+
+[tools.odin."platforms.linux-arm64-musl"]
+checksum = "sha256:ac3bd75e71ddacc67f34540f20f73c9e7e301d51333d8e040c390abac32f5bac"
+url = "https://github.com/odin-lang/Odin/releases/download/dev-2026-04/odin-linux-arm64-dev-2026-04.tar.gz"
+url_api = "https://api.github.com/repos/odin-lang/Odin/releases/assets/387767984"
+
+[tools.odin."platforms.linux-x64"]
+checksum = "sha256:8bfa62d459f505609cd0343746b4116f3e6866eb2d5b4b91bb8365db72f04e47"
+url = "https://github.com/odin-lang/Odin/releases/download/dev-2026-04/odin-linux-amd64-dev-2026-04.tar.gz"
+url_api = "https://api.github.com/repos/odin-lang/Odin/releases/assets/387768005"
+
+[tools.odin."platforms.linux-x64-musl"]
+checksum = "sha256:8bfa62d459f505609cd0343746b4116f3e6866eb2d5b4b91bb8365db72f04e47"
+url = "https://github.com/odin-lang/Odin/releases/download/dev-2026-04/odin-linux-amd64-dev-2026-04.tar.gz"
+url_api = "https://api.github.com/repos/odin-lang/Odin/releases/assets/387768005"
+
+[tools.odin."platforms.macos-arm64"]
+checksum = "sha256:390bdd8ce0c90aebfd2f567fcfff4de4f3c7102e99e558d6832d1e3e7218d885"
+url = "https://github.com/odin-lang/Odin/releases/download/dev-2026-04/odin-macos-arm64-dev-2026-04.tar.gz"
+url_api = "https://api.github.com/repos/odin-lang/Odin/releases/assets/387767907"
+
+[tools.odin."platforms.macos-x64"]
+checksum = "sha256:e8658a7b2e9b9c6fb09915b330981e79e4be76440b6d43520560f9022006456a"
+url = "https://github.com/odin-lang/Odin/releases/download/dev-2026-04/odin-macos-amd64-dev-2026-04.tar.gz"
+url_api = "https://api.github.com/repos/odin-lang/Odin/releases/assets/387767943"
+
+[tools.odin."platforms.windows-x64"]
+checksum = "sha256:a7497ea0dc412ec7202cd7933d17b051edb8f5ac34b9f6af88cf7285e7199b8c"
+url = "https://github.com/odin-lang/Odin/releases/download/dev-2026-04/odin-windows-amd64-dev-2026-04.zip"
+url_api = "https://api.github.com/repos/odin-lang/Odin/releases/assets/387767811"
diff --git a/mise.toml b/mise.toml
new file mode 100644
index 0000000..19b5da2
--- /dev/null
+++ b/mise.toml
@@ -0,0 +1,14 @@
+[tools]
+gum = "0.17"
+odin = "dev-2026-04"
+
+[tasks.headers]
+description = "Browse and open a framework header"
+run = '''
+library=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library
+frameworks=$(ls $library/Frameworks)
+framework=$(gum choose $frameworks)
+headers=$(ls $library/Frameworks/$framework/Headers)
+header=$(gum choose $headers)
+$EDITOR $library/Frameworks/$framework/Headers/$header
+'''