diff --git a/Containerfile b/Containerfile
index f9244c3..b9cf14a 100644
--- a/Containerfile
+++ b/Containerfile
@@ -4,6 +4,6 @@ COPY package.json bun.lock ./
 RUN bun install --frozen-lockfile
 COPY . .
 ENV NODE_ENV=production
-ENV WATSUP_CONFIG_PATH=/app/config/default.json
+ENV WATSUP_CONFIG_PATH=/app/config/default.toml
 EXPOSE 3000
 CMD ["bun", "run", "src/index.ts"]
diff --git a/README.md b/README.md
index 76ce661..acb97e0 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,8 @@ In addition to some pleasantries (top 5 stories on Hacker News, weather, search)
 
 ## configuration
 
-The dashboard is configured at runtime from JSON. The bundled
-[`config/default.json`](config/default.json) reproduces the default dashboard,
+The dashboard is configured at runtime from TOML. The bundled
+[`config/default.toml`](config/default.toml) reproduces the default dashboard,
 but the container can use any mounted file by setting `WATSUP_CONFIG_PATH`:
 
 ```yaml
@@ -19,59 +19,54 @@ services:
     ports:
       - "3000:3000"
     environment:
-      WATSUP_CONFIG_PATH: /run/configs/watsup.json
+      WATSUP_CONFIG_PATH: /run/configs/watsup.toml
     configs:
       - source: watsup-dashboard
-        target: /run/configs/watsup.json
+        target: /run/configs/watsup.toml
 
 configs:
   watsup-dashboard:
-    file: ./watsup.json
+    file: ./watsup.toml
 ```
 
 The config contains an ordered list of sections. Add as many `services` and
 `widgets` sections as needed:
 
-```json
-{
-  "title": "Home",
-  "sections": [
-    {
-      "type": "widgets",
-      "columns": 4,
-      "widgets": [
-        { "type": "weather" },
-        { "type": "search", "span": 3 }
-      ]
-    },
-    {
-      "type": "services",
-      "title": "Public services",
-      "columns": 3,
-      "refreshInterval": 20000,
-      "services": [
-        {
-          "name": "Example",
-          "url": "https://example.com",
-          "healthUrl": "https://example.com/health",
-          "goodStatuses": [200, 204]
-        }
-      ]
-    },
-    {
-      "type": "services",
-      "title": "Internal services",
-      "columns": 4,
-      "services": [
-        {
-          "name": "Grafana",
-          "url": "https://grafana.example.com",
-          "icon": "https://example.com/grafana.png"
-        }
-      ]
-    }
-  ]
-}
+```toml
+title = "Home"
+
+[[sections]]
+type = "widgets"
+columns = 4
+
+[[sections.widgets]]
+type = "weather"
+
+[[sections.widgets]]
+type = "search"
+span = 3
+
+[[sections]]
+type = "services"
+title = "Public services"
+columns = 3
+refreshInterval = 20000
+
+[[sections.services]]
+name = "Example"
+url = "https://example.com"
+healthUrl = "https://example.com/health"
+goodStatuses = [200, 204]
+
+[[sections]]
+type = "services"
+title = "Internal services"
+columns = 4
+
+[[sections.services]]
+name = "Grafana"
+url = "https://grafana.example.com"
+icon = "https://example.com/grafana.png"
 ```
 
 `columns` and widget `span` accept values from 1 through 4. Available widget
diff --git a/compose.example.yaml b/compose.example.yaml
index 5e22f24..dde2932 100644
--- a/compose.example.yaml
+++ b/compose.example.yaml
@@ -4,11 +4,11 @@ services:
     ports:
       - "3000:3000"
     environment:
-      WATSUP_CONFIG_PATH: /run/configs/watsup.json
+      WATSUP_CONFIG_PATH: /run/configs/watsup.toml
     configs:
       - source: watsup-dashboard
-        target: /run/configs/watsup.json
+        target: /run/configs/watsup.toml
 
 configs:
   watsup-dashboard:
-    file: ./config/default.json
+    file: ./config/default.toml
diff --git a/config/default.json b/config/default.json
deleted file mode 100644
index 9fb9672..0000000
--- a/config/default.json
+++ /dev/null
@@ -1,159 +0,0 @@
-{
-  "title": "watsup",
-  "sections": [
-    {
-      "type": "widgets",
-      "columns": 4,
-      "widgets": [
-        { "type": "weather" },
-        { "type": "search", "span": 3 }
-      ]
-    },
-    {
-      "type": "widgets",
-      "columns": 2,
-      "widgets": [
-        { "type": "lobsters", "title": "Lobsters" },
-        { "type": "hacker-news", "title": "Hacker News" }
-      ]
-    },
-    {
-      "type": "services",
-      "title": "Community Apps+Infra",
-      "columns": 4,
-      "services": [
-        { "name": "atbbs", "url": "https://atbbs.xyz/" },
-        { "name": "morsels.blue", "url": "https://morsels.blue/" },
-        {
-          "name": "aly.social",
-          "url": "https://pds.cute.haus",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/bluesky.png"
-        },
-        {
-          "name": "slingshot",
-          "url": "https://slingshot.cute.haus",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/bluesky.png"
-        }
-      ]
-    },
-    {
-      "type": "services",
-      "title": "Webpages",
-      "columns": 3,
-      "services": [
-        { "name": "Aly Raffauf", "url": "https://aly.codes/" },
-        { "name": "Switchyard", "url": "https://switchyard.aly.codes/" },
-        { "name": "Morgan Tamayo", "url": "https://morgantamayo.com/" }
-      ]
-    },
-    {
-      "type": "services",
-      "title": "Apps",
-      "columns": 4,
-      "services": [
-        {
-          "name": "Pocket ID",
-          "url": "https://id.cute.haus/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/pocket-id.png"
-        },
-        {
-          "name": "Jellyfin",
-          "url": "https://jellyfin.cute.haus",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/jellyfin.png"
-        },
-        {
-          "name": "Plex",
-          "url": "https://plex.cute.haus/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/plex.png"
-        },
-        {
-          "name": "Ombi",
-          "url": "https://ombi.cute.haus/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/ombi.png"
-        },
-        {
-          "name": "Audiobookshelf",
-          "url": "https://audiobookshelf.cute.haus/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/audiobookshelf.png"
-        },
-        {
-          "name": "Immich",
-          "url": "https://immich.cute.haus/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/immich.png"
-        },
-        {
-          "name": "Navidrome",
-          "url": "https://navidrome.cute.haus",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/navidrome.png"
-        },
-        {
-          "name": "Paperless",
-          "url": "https://paperless.cute.haus",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/paperless-ngx.png"
-        },
-        {
-          "name": "Forĝejo",
-          "url": "https://git.aly.codes/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/forgejo.png"
-        },
-        {
-          "name": "Vaultwarden",
-          "url": "https://vault.cute.haus/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/vaultwarden.png"
-        },
-        {
-          "name": "Uptime Kuma",
-          "url": "https://kuma.cute.haus/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/uptime-kuma.png"
-        }
-      ]
-    },
-    {
-      "type": "services",
-      "title": "Homelab",
-      "columns": 4,
-      "services": [
-        {
-          "name": "Sonarr",
-          "url": "https://sonarr.narwhal-snapper.ts.net/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/sonarr.png"
-        },
-        {
-          "name": "Radarr",
-          "url": "https://radarr.narwhal-snapper.ts.net/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/radarr.png"
-        },
-        {
-          "name": "Lidarr",
-          "url": "https://lidarr.narwhal-snapper.ts.net/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/lidarr.png"
-        },
-        {
-          "name": "Prowlarr",
-          "url": "https://prowlarr.narwhal-snapper.ts.net/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/prowlarr.png"
-        },
-        {
-          "name": "Bazarr",
-          "url": "https://bazarr.narwhal-snapper.ts.net/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/bazarr.png"
-        },
-        {
-          "name": "Tautulli",
-          "url": "https://tautulli.narwhal-snapper.ts.net/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/tautulli.png"
-        },
-        {
-          "name": "qBittorrent",
-          "url": "https://qbittorrent.narwhal-snapper.ts.net/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/qbittorrent.png"
-        },
-        {
-          "name": "Grafana",
-          "url": "https://grafana.narwhal-snapper.ts.net/",
-          "icon": "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/grafana.png"
-        }
-      ]
-    }
-  ]
-}
diff --git a/config/default.toml b/config/default.toml
new file mode 100644
index 0000000..a42304f
--- /dev/null
+++ b/config/default.toml
@@ -0,0 +1,169 @@
+title = "watsup"
+
+[[sections]]
+type = "widgets"
+columns = 4
+
+[[sections.widgets]]
+type = "weather"
+
+[[sections.widgets]]
+type = "search"
+span = 3
+
+[[sections]]
+type = "widgets"
+columns = 2
+
+[[sections.widgets]]
+type = "lobsters"
+title = "Lobsters"
+
+[[sections.widgets]]
+type = "hacker-news"
+title = "Hacker News"
+
+[[sections]]
+type = "services"
+title = "Community Apps+Infra"
+columns = 4
+
+[[sections.services]]
+name = "atbbs"
+url = "https://atbbs.xyz/"
+
+[[sections.services]]
+name = "morsels.blue"
+url = "https://morsels.blue/"
+
+[[sections.services]]
+name = "aly.social"
+url = "https://pds.cute.haus"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/bluesky.png"
+
+[[sections.services]]
+name = "slingshot"
+url = "https://slingshot.cute.haus"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/bluesky.png"
+
+[[sections]]
+type = "services"
+title = "Webpages"
+columns = 3
+
+[[sections.services]]
+name = "Aly Raffauf"
+url = "https://aly.codes/"
+
+[[sections.services]]
+name = "Switchyard"
+url = "https://switchyard.aly.codes/"
+
+[[sections.services]]
+name = "Morgan Tamayo"
+url = "https://morgantamayo.com/"
+
+[[sections]]
+type = "services"
+title = "Apps"
+columns = 4
+
+[[sections.services]]
+name = "Pocket ID"
+url = "https://id.cute.haus/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/pocket-id.png"
+
+[[sections.services]]
+name = "Jellyfin"
+url = "https://jellyfin.cute.haus"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/jellyfin.png"
+
+[[sections.services]]
+name = "Plex"
+url = "https://plex.cute.haus/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/plex.png"
+
+[[sections.services]]
+name = "Ombi"
+url = "https://ombi.cute.haus/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/ombi.png"
+
+[[sections.services]]
+name = "Audiobookshelf"
+url = "https://audiobookshelf.cute.haus/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/audiobookshelf.png"
+
+[[sections.services]]
+name = "Immich"
+url = "https://immich.cute.haus/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/immich.png"
+
+[[sections.services]]
+name = "Navidrome"
+url = "https://navidrome.cute.haus"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/navidrome.png"
+
+[[sections.services]]
+name = "Paperless"
+url = "https://paperless.cute.haus"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/paperless-ngx.png"
+
+[[sections.services]]
+name = "Forĝejo"
+url = "https://git.aly.codes/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/forgejo.png"
+
+[[sections.services]]
+name = "Vaultwarden"
+url = "https://vault.cute.haus/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/vaultwarden.png"
+
+[[sections.services]]
+name = "Uptime Kuma"
+url = "https://kuma.cute.haus/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/uptime-kuma.png"
+
+[[sections]]
+type = "services"
+title = "Homelab"
+columns = 4
+
+[[sections.services]]
+name = "Sonarr"
+url = "https://sonarr.narwhal-snapper.ts.net/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/sonarr.png"
+
+[[sections.services]]
+name = "Radarr"
+url = "https://radarr.narwhal-snapper.ts.net/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/radarr.png"
+
+[[sections.services]]
+name = "Lidarr"
+url = "https://lidarr.narwhal-snapper.ts.net/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/lidarr.png"
+
+[[sections.services]]
+name = "Prowlarr"
+url = "https://prowlarr.narwhal-snapper.ts.net/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/prowlarr.png"
+
+[[sections.services]]
+name = "Bazarr"
+url = "https://bazarr.narwhal-snapper.ts.net/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/bazarr.png"
+
+[[sections.services]]
+name = "Tautulli"
+url = "https://tautulli.narwhal-snapper.ts.net/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/tautulli.png"
+
+[[sections.services]]
+name = "qBittorrent"
+url = "https://qbittorrent.narwhal-snapper.ts.net/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/qbittorrent.png"
+
+[[sections.services]]
+name = "Grafana"
+url = "https://grafana.narwhal-snapper.ts.net/"
+icon = "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/grafana.png"
diff --git a/src/config.ts b/src/config.ts
index a42595a..b227d5c 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -7,7 +7,7 @@ import type {
   WidgetType,
 } from "./types";
 
-const DEFAULT_CONFIG_PATH = new URL("../config/default.json", import.meta.url);
+const DEFAULT_CONFIG_PATH = new URL("../config/default.toml", import.meta.url);
 const VALID_COLUMNS = new Set([1, 2, 3, 4]);
 const VALID_WIDGET_TYPES = new Set<WidgetType>([
   "weather",
@@ -26,10 +26,10 @@ export async function loadDashboardConfig(): Promise<DashboardConfig> {
 
   let value: unknown;
   try {
-    value = await configFile.json();
+    value = Bun.TOML.parse(await configFile.text());
   } catch (error) {
     throw new Error(
-      `Dashboard config is not valid JSON: ${getErrorMessage(error)}`,
+      `Dashboard config is not valid TOML: ${getErrorMessage(error)}`,
     );
   }