diff --git a/.prettierignore b/.prettierignore
index fe500ad..1fc1cfa 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -11,3 +11,4 @@ indexes/testdata/package_index.json
 
 # Generated files
 /.licenses/
+node_modules/
diff --git a/Taskfile.yml b/Taskfile.yml
index f1a3820..71bafde 100755
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -47,6 +47,8 @@ tasks:
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-prettier-formatting-task/Taskfile.yml
   general:format-prettier:
     desc: Format all supported files with Prettier
+    deps:
+      - task: npm:install-deps
     cmds:
       - npx prettier --write .
 
diff --git a/package-lock.json b/package-lock.json
index 4410da3..2d72983 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,7 +6,8 @@
     "": {
       "devDependencies": {
         "markdown-link-check": "^3.12.1",
-        "markdownlint-cli": "^0.37.0"
+        "markdownlint-cli": "^0.37.0",
+        "prettier": "^3.3.3"
       }
     },
     "node_modules/@isaacs/cliui": {
@@ -1061,6 +1062,21 @@
         "node": "14 || >=16.14"
       }
     },
+    "node_modules/prettier": {
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.3.3.tgz",
+      "integrity": "sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==",
+      "dev": true,
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    },
     "node_modules/progress": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.3.tgz",
diff --git a/package.json b/package.json
index 45d25de..3756537 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,7 @@
 {
   "devDependencies": {
     "markdown-link-check": "^3.12.1",
-    "markdownlint-cli": "^0.37.0"
+    "markdownlint-cli": "^0.37.0",
+    "prettier": "^3.3.3"
   }
 }