diff --git a/package.json b/package.json
index deffe68a..cbc5521e 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "eslint-plugin-jest": "27.2.3",
     "jest": "29.6.1",
     "js-yaml": "4.1.0",
-    "prettier": "2.8.8",
+    "prettier": "3.0.0",
     "proxy": "2.1.1",
     "ts-jest": "29.1.1",
     "typescript": "5.1.6"
diff --git a/src/run.ts b/src/run.ts
index 82b0c3f0..4f2b3ed6 100644
--- a/src/run.ts
+++ b/src/run.ts
@@ -82,7 +82,7 @@ const handlePullRequest = async (
   submitMetrics: SubmitMetrics,
   e: PullRequestEvent,
   context: GitHubContext,
-  inputs: Inputs
+  inputs: Inputs,
 ) => {
   core.info(`Got pull request ${e.action} event: ${e.pull_request.html_url}`)
 
diff --git a/tests/fixtures.ts b/tests/fixtures.ts
index 1858de1a..4a25ea03 100644
--- a/tests/fixtures.ts
+++ b/tests/fixtures.ts
@@ -17,7 +17,7 @@ const getExamplesByEventName = <E extends WebhookEventName>(eventName: E) => {
 
 const isTypeOfEventName = <TName extends WebhookEventName>(
   definition: WebhookDefinition,
-  eventName: TName
+  eventName: TName,
 ): definition is WebhookDefinition<TName> => definition.name === eventName
 
 export const examplePullRequestClosedEvent: PullRequestClosedEvent = (() => {
diff --git a/tests/run.test.ts b/tests/run.test.ts
index 579518b0..616d6c71 100644
--- a/tests/run.test.ts
+++ b/tests/run.test.ts
@@ -44,7 +44,7 @@ test('workflow_run with collectJobMetrics', async () => {
       collectJobMetrics: true,
       collectStepMetrics: true,
       sendPullRequestLabels: false,
-    }
+    },
   )
   expect(getOctokit).toHaveBeenCalledWith('GITHUB_TOKEN')
   expect(submitMetrics).toHaveBeenCalledTimes(4)
@@ -68,7 +68,7 @@ test('workflow_run', async () => {
       collectJobMetrics: false,
       collectStepMetrics: false,
       sendPullRequestLabels: false,
-    }
+    },
   )
   expect(getOctokit).toHaveBeenCalledWith('GITHUB_TOKEN')
   expect(submitMetrics).toHaveBeenCalledTimes(2)
@@ -92,7 +92,7 @@ test('pull_request_opened', async () => {
       collectJobMetrics: false,
       collectStepMetrics: false,
       sendPullRequestLabels: false,
-    }
+    },
   )
   expect(getOctokit).toHaveBeenCalledWith('GITHUB_TOKEN')
   expect(submitMetrics).toHaveBeenCalledTimes(2)
@@ -117,7 +117,7 @@ test('pull_request_closed', async () => {
       collectJobMetrics: false,
       collectStepMetrics: false,
       sendPullRequestLabels: true,
-    }
+    },
   )
   expect(getOctokit).toHaveBeenCalledWith('GITHUB_TOKEN')
   expect(submitMetrics).toHaveBeenCalledTimes(2)
diff --git a/yarn.lock b/yarn.lock
index 70ced97a..49fee51c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5268,10 +5268,10 @@ prelude-ls@^1.2.1:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.2.1.tgz#debc6489d7a6e6b0e7611888cec880337d316396"
   integrity sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==
 
-prettier@2.8.8:
-  version "2.8.8"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.8.tgz#e8c5d7e98a4305ffe3de2e1fc4aca1a71c28b1da"
-  integrity sha512-tdN8qQGvNjw4CHbY+XXk0JgCXn9QiF21a55rBe5LJAU+kDyC4WQn4+awm2Xfk2lQMk5fKup9XgzTZtGkjBdP9Q==
+prettier@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.0.0.tgz#e7b19f691245a21d618c68bc54dc06122f6105ae"
+  integrity sha512-zBf5eHpwHOGPC47h0zrPyNn+eAEIdEzfywMoYn2XPi0P44Zp0tSq64rq0xAREh4auw2cJZHo9QUob+NqCQky4g==
 
 pretty-format@^29.0.0, pretty-format@^29.4.1:
   version "29.4.1"