diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 8735790e3e..595f528bef 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -18,3 +18,8 @@ updates:
           # We are pinned to Tachometer 0.5.10 due to a breaking change in 0.6.0.
           # See: https://github.com/google/tachometer/issues/244
           - dependency-name: 'tachometer'
+          # TODO [#4386]: Stop ignoring when we've done the upgrade ourselves
+          - dependency-name: 'prettier'
+            versions: '>= 3'
+          - dependency-name: '@types/prettier'
+            versions: '>= 3'
diff --git a/.prettierrc b/.prettierrc
index 581887eed8..edc17868b9 100644
--- a/.prettierrc
+++ b/.prettierrc
@@ -1,5 +1,6 @@
 {
     "printWidth": 100,
     "singleQuote": true,
-    "tabWidth": 4
+    "tabWidth": 4,
+    "trailingComma": "es5"
 }
diff --git a/packages/@lwc/template-compiler/src/__tests__/fixtures.spec.ts b/packages/@lwc/template-compiler/src/__tests__/fixtures.spec.ts
index c75c5afb11..6bf5849a6d 100644
--- a/packages/@lwc/template-compiler/src/__tests__/fixtures.spec.ts
+++ b/packages/@lwc/template-compiler/src/__tests__/fixtures.spec.ts
@@ -38,6 +38,7 @@ describe('fixtures', () => {
             );
 
             return {
+                // TODO [#4386]: Prettier v3 returns a promise - add an `await` here
                 'expected.js': prettier.format(code, { parser: 'babel' }),
                 'ast.json': JSON.stringify({ root }, null, 4),
                 'metadata.json': JSON.stringify({ warnings }, null, 4),
diff --git a/scripts/tasks/generate-license-files.js b/scripts/tasks/generate-license-files.js
index 3cc0f1a604..e042d6769d 100644
--- a/scripts/tasks/generate-license-files.js
+++ b/scripts/tasks/generate-license-files.js
@@ -60,6 +60,7 @@ async function main() {
             '\n'
         )}`.trim() + '\n';
 
+    // TODO [#4386]: Prettier v3 returns a promise - add an `await` here
     const formattedLicense = prettier.format(newLicense, {
         parser: 'markdown',
     });