diff --git a/.cspell.json b/.cspell.json
index b72a2df..dfd6093 100644
--- a/.cspell.json
+++ b/.cspell.json
@@ -1,6 +1,11 @@
 {
-  "useGitignore": true,
+  "$schema": "https://raw.githubusercontent.com/streetsidesoftware/cspell/main/cspell.schema.json",
   "version": "0.2",
+  "ignorePaths": ["**/*.json", "**/*.css", "node_modules", "**/*.log"],
+  "useGitignore": true,
   "language": "en",
-  "words": []
+  "words": ["dataurl", "devpool", "outdir", "servedir"],
+  "dictionaries": ["typescript", "node", "software-terms"],
+  "import": ["@cspell/dict-typescript/cspell-ext.json", "@cspell/dict-node/cspell-ext.json", "@cspell/dict-software-terms"],
+  "ignoreRegExpList": ["[0-9a-fA-F]{6}"]
 }
diff --git a/.github/workflows/cspell.yml b/.github/workflows/cspell.yml
index a716534..b7d749f 100644
--- a/.github/workflows/cspell.yml
+++ b/.github/workflows/cspell.yml
@@ -21,4 +21,4 @@ jobs:
         run: yarn add cspell
 
       - name: Run cspell
-        run: yarn cspell "src/**/*.{ts,json}"
+        run: yarn format:cspell"
diff --git a/package.json b/package.json
index 3288ab6..3b6bfd4 100644
--- a/package.json
+++ b/package.json
@@ -9,9 +9,10 @@
     "utils:remove-list": "tsx -e \"require('src/utils/clear-unused-labels/clear-unused-labels.ts').default();\"",
     "utils:colorize": "tsx -e \"require('src/utils/colorize-labels.ts').default();\"",
     "utils:toggle-label": "tsx src/cli/cli-entry-wrapper.ts --tool toggle-label -v ping",
-    "format": "run-s format:prettier format:lint",
+    "format": "run-s format:lint format:prettier format:cspell",
     "format:lint": "eslint --fix .",
     "format:prettier": "prettier --write .",
+    "format:cspell": "cspell **/*",
     "prepare": "husky install"
   },
   "dependencies": {
@@ -29,6 +30,9 @@
   "devDependencies": {
     "@commitlint/cli": "^18.4.3",
     "@commitlint/config-conventional": "^18.4.3",
+    "@cspell/dict-node": "^4.0.3",
+    "@cspell/dict-software-terms": "^3.3.17",
+    "@cspell/dict-typescript": "^3.1.2",
     "@types/command-line-args": "^5.2.0",
     "@types/command-line-usage": "^5.0.2",
     "@types/node": "^20.10.0",
diff --git a/yarn.lock b/yarn.lock
index 639d73d..e8f7063 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -643,7 +643,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@cspell/dict-software-terms@npm:^3.3.15":
+"@cspell/dict-software-terms@npm:^3.3.15, @cspell/dict-software-terms@npm:^3.3.17":
   version: 3.3.17
   resolution: "@cspell/dict-software-terms@npm:3.3.17"
   checksum: 0e8b3cf226f2cd3dd0bccb1f28a8fac24d7223e7ba670b73aec08cb69a1285755743716e53261ae4ef4f6f43d7682a8af11f4a14ef50b1875c1809f955c71f06
@@ -5977,6 +5977,9 @@ __metadata:
   dependencies:
     "@commitlint/cli": ^18.4.3
     "@commitlint/config-conventional": ^18.4.3
+    "@cspell/dict-node": ^4.0.3
+    "@cspell/dict-software-terms": ^3.3.17
+    "@cspell/dict-typescript": ^3.1.2
     "@octokit/rest": ^20.0.1
     "@types/command-line-args": ^5.2.0
     "@types/command-line-usage": ^5.0.2