diff --git a/README.md b/README.md
index 3d43472..2790c6d 100644
--- a/README.md
+++ b/README.md
@@ -239,6 +239,14 @@ jobs:
 
 GitHub App installation access token.
 
+### `installation-id`
+
+GitHub App installation ID.
+
+### `app-slug`
+
+GitHub App slug.
+
 ## How it works
 
 The action creates an installation access token using [the `POST /app/installations/{installation_id}/access_tokens` endpoint](https://docs.github.com/rest/apps/apps?apiVersion=2022-11-28#create-an-installation-access-token-for-an-app). By default,
diff --git a/action.yml b/action.yml
index e150b71..1d2909e 100644
--- a/action.yml
+++ b/action.yml
@@ -40,6 +40,10 @@ inputs:
 outputs:
   token:
     description: "GitHub installation access token"
+  installation-id:
+    description: "GitHub App installation ID"
+  app-slug:
+    description: "GitHub App slug"
 runs:
   using: "node20"
   main: "dist/main.cjs"
diff --git a/dist/main.cjs b/dist/main.cjs
index 0f42fa1..a8f5b87 100644
--- a/dist/main.cjs
+++ b/dist/main.cjs
@@ -29923,28 +29923,30 @@ async function main(appId2, privateKey2, owner2, repositories2, core3, createApp
     privateKey: privateKey2,
     request: request2
   });
-  let authentication;
+  let authentication, installationId, appSlug;
   if (parsedRepositoryNames) {
-    authentication = await pRetry(() => getTokenFromRepository(request2, auth, parsedOwner, parsedRepositoryNames), {
+    ({ authentication, installationId, appSlug } = await pRetry(() => getTokenFromRepository(request2, auth, parsedOwner, parsedRepositoryNames), {
       onFailedAttempt: (error) => {
         core3.info(
           `Failed to create token for "${parsedRepositoryNames}" (attempt ${error.attemptNumber}): ${error.message}`
         );
       },
       retries: 3
-    });
+    }));
   } else {
-    authentication = await pRetry(() => getTokenFromOwner(request2, auth, parsedOwner), {
+    ({ authentication, installationId, appSlug } = await pRetry(() => getTokenFromOwner(request2, auth, parsedOwner), {
       onFailedAttempt: (error) => {
         core3.info(
           `Failed to create token for "${parsedOwner}" (attempt ${error.attemptNumber}): ${error.message}`
         );
       },
       retries: 3
-    });
+    }));
   }
   core3.setSecret(authentication.token);
   core3.setOutput("token", authentication.token);
+  core3.setOutput("installation-id", installationId);
+  core3.setOutput("app-slug", appSlug);
   if (!skipTokenRevoke2) {
     core3.saveState("token", authentication.token);
     core3.setOutput("expiresAt", authentication.expiresAt);
@@ -29970,7 +29972,9 @@ async function getTokenFromOwner(request2, auth, parsedOwner) {
     type: "installation",
     installationId: response.data.id
   });
-  return authentication;
+  const installationId = response.data.id;
+  const appSlug = response.data["app_slug"];
+  return { authentication, installationId, appSlug };
 }
 async function getTokenFromRepository(request2, auth, parsedOwner, parsedRepositoryNames) {
   const response = await request2("GET /repos/{owner}/{repo}/installation", {
@@ -29985,7 +29989,9 @@ async function getTokenFromRepository(request2, auth, parsedOwner, parsedReposit
     installationId: response.data.id,
     repositoryNames: parsedRepositoryNames.split(",")
   });
-  return authentication;
+  const installationId = response.data.id;
+  const appSlug = response.data["app_slug"];
+  return { authentication, installationId, appSlug };
 }
 
 // lib/request.js
diff --git a/lib/main.js b/lib/main.js
index b97329d..d685277 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -70,35 +70,36 @@ export async function main(
     request,
   });
 
-  let authentication;
+  let authentication, installationId, appSlug;
   // If at least one repository is set, get installation ID from that repository
 
   if (parsedRepositoryNames) {
-    authentication = await pRetry(() => getTokenFromRepository(request, auth, parsedOwner, parsedRepositoryNames), {
+    ({ authentication, installationId, appSlug } = await pRetry(() => getTokenFromRepository(request, auth, parsedOwner, parsedRepositoryNames), {
       onFailedAttempt: (error) => {
         core.info(
           `Failed to create token for "${parsedRepositoryNames}" (attempt ${error.attemptNumber}): ${error.message}`
         );
       },
       retries: 3,
-    });
-
+    }));
   } else {
     // Otherwise get the installation for the owner, which can either be an organization or a user account
-    authentication = await pRetry(() => getTokenFromOwner(request, auth, parsedOwner), {
+    ({ authentication, installationId, appSlug } = await pRetry(() => getTokenFromOwner(request, auth, parsedOwner), {
       onFailedAttempt: (error) => {
         core.info(
           `Failed to create token for "${parsedOwner}" (attempt ${error.attemptNumber}): ${error.message}`
         );
       },
       retries: 3,
-    });
+    }));
   }
 
   // Register the token with the runner as a secret to ensure it is masked in logs
   core.setSecret(authentication.token);
 
   core.setOutput("token", authentication.token);
+  core.setOutput("installation-id", installationId);
+  core.setOutput("app-slug", appSlug);
 
   // Make token accessible to post function (so we can invalidate it)
   if (!skipTokenRevoke) {
@@ -132,7 +133,11 @@ async function getTokenFromOwner(request, auth, parsedOwner) {
     type: "installation",
     installationId: response.data.id,
   });
-  return authentication;
+
+  const installationId = response.data.id;
+  const appSlug = response.data['app_slug'];
+
+  return { authentication, installationId, appSlug };
 }
 
 async function getTokenFromRepository(request, auth, parsedOwner, parsedRepositoryNames) {
@@ -152,5 +157,8 @@ async function getTokenFromRepository(request, auth, parsedOwner, parsedReposito
     repositoryNames: parsedRepositoryNames.split(","),
   });
 
-  return authentication;
-}
\ No newline at end of file
+  const installationId = response.data.id;
+  const appSlug = response.data['app_slug'];
+
+  return { authentication, installationId, appSlug };
+ }
\ No newline at end of file
diff --git a/tests/main-repo-skew.js b/tests/main-repo-skew.js
index a3554ad..e35a531 100644
--- a/tests/main-repo-skew.js
+++ b/tests/main-repo-skew.js
@@ -9,6 +9,7 @@ await test((mockPool) => {
   const owner = process.env.INPUT_OWNER
   const repo = process.env.INPUT_REPOSITORIES
   const mockInstallationId = "123456";
+  const mockAppSlug = "github-actions";
 
   install({ now: 0, toFake: ["Date"] });
 
@@ -44,7 +45,8 @@ await test((mockPool) => {
       return {
         statusCode: 200,
         data: {
-          id: mockInstallationId
+          id: mockInstallationId,
+          "app_slug": mockAppSlug
         },
         responseOptions: {
           headers: {
diff --git a/tests/main-token-get-owner-set-repo-fail-response.test.js b/tests/main-token-get-owner-set-repo-fail-response.test.js
index 14c5811..f97cf26 100644
--- a/tests/main-token-get-owner-set-repo-fail-response.test.js
+++ b/tests/main-token-get-owner-set-repo-fail-response.test.js
@@ -7,6 +7,7 @@ await test((mockPool) => {
   const owner = process.env.INPUT_OWNER;
   const repo = process.env.INPUT_REPOSITORIES;
   const mockInstallationId = "123456";
+  const mockAppSlug = "github-actions";
 
   mockPool
     .intercept({
@@ -32,7 +33,7 @@ await test((mockPool) => {
     })
     .reply(
       200,
-      { id: mockInstallationId },
+      { id: mockInstallationId, "app_slug": mockAppSlug },
       { headers: { "content-type": "application/json" } }
     );
 });
diff --git a/tests/main-token-get-owner-set-to-org-repo-unset.test.js b/tests/main-token-get-owner-set-to-org-repo-unset.test.js
index 1fa0e1f..87245f7 100644
--- a/tests/main-token-get-owner-set-to-org-repo-unset.test.js
+++ b/tests/main-token-get-owner-set-to-org-repo-unset.test.js
@@ -5,8 +5,9 @@ await test((mockPool) => {
   process.env.INPUT_OWNER = process.env.GITHUB_REPOSITORY_OWNER;
   delete process.env.INPUT_REPOSITORIES;
 
-  // Mock installation id request
+  // Mock installation id and app slug request
   const mockInstallationId = "123456";
+  const mockAppSlug = "github-actions";
   mockPool
     .intercept({
       path: `/orgs/${process.env.INPUT_OWNER}/installation`,
@@ -19,7 +20,7 @@ await test((mockPool) => {
     })
     .reply(
       200,
-      { id: mockInstallationId },
+      { id: mockInstallationId, "app_slug": mockAppSlug },
       { headers: { "content-type": "application/json" } }
     );
 });
diff --git a/tests/main-token-get-owner-set-to-user-fail-response.test.js b/tests/main-token-get-owner-set-to-user-fail-response.test.js
index e9fba9b..318b8dc 100644
--- a/tests/main-token-get-owner-set-to-user-fail-response.test.js
+++ b/tests/main-token-get-owner-set-to-user-fail-response.test.js
@@ -5,8 +5,9 @@ await test((mockPool) => {
   process.env.INPUT_OWNER = "smockle";
   delete process.env.INPUT_REPOSITORIES;
 
-  // Mock installation id request
+  // Mock installation ID and app slug request
   const mockInstallationId = "123456";
+  const mockAppSlug = "github-actions";
   mockPool
     .intercept({
       path: `/orgs/${process.env.INPUT_OWNER}/installation`,
@@ -30,7 +31,7 @@ await test((mockPool) => {
     })
     .reply(
       200,
-      { id: mockInstallationId },
+      { id: mockInstallationId, "app_slug": mockAppSlug },
       { headers: { "content-type": "application/json" } }
     );
 });
diff --git a/tests/main-token-get-owner-set-to-user-repo-unset.test.js b/tests/main-token-get-owner-set-to-user-repo-unset.test.js
index bbb802c..a73c3d7 100644
--- a/tests/main-token-get-owner-set-to-user-repo-unset.test.js
+++ b/tests/main-token-get-owner-set-to-user-repo-unset.test.js
@@ -5,8 +5,9 @@ await test((mockPool) => {
   process.env.INPUT_OWNER = "smockle";
   delete process.env.INPUT_REPOSITORIES;
 
-  // Mock installation id request
+  // Mock installation ID and app slug request
   const mockInstallationId = "123456";
+  const mockAppSlug = "github-actions";
   mockPool
     .intercept({
       path: `/orgs/${process.env.INPUT_OWNER}/installation`,
@@ -30,7 +31,7 @@ await test((mockPool) => {
     })
     .reply(
       200,
-      { id: mockInstallationId },
+      { id: mockInstallationId, "app_slug": mockAppSlug },
       { headers: { "content-type": "application/json" } }
     );
 });
diff --git a/tests/main-token-get-owner-unset-repo-unset.test.js b/tests/main-token-get-owner-unset-repo-unset.test.js
index ccc20dd..e284aae 100644
--- a/tests/main-token-get-owner-unset-repo-unset.test.js
+++ b/tests/main-token-get-owner-unset-repo-unset.test.js
@@ -5,8 +5,9 @@ await test((mockPool) => {
   delete process.env.INPUT_OWNER;
   delete process.env.INPUT_REPOSITORIES;
 
-  // Mock installation id request
+  // Mock installation ID and app slug request
   const mockInstallationId = "123456";
+  const mockAppSlug = "github-actions";
   mockPool
     .intercept({
       path: `/repos/${process.env.GITHUB_REPOSITORY}/installation`,
@@ -19,7 +20,7 @@ await test((mockPool) => {
     })
     .reply(
       200,
-      { id: mockInstallationId },
+      { id: mockInstallationId, "app_slug": mockAppSlug },
       { headers: { "content-type": "application/json" } }
     );
 });
diff --git a/tests/main.js b/tests/main.js
index eb755b7..3e52f69 100644
--- a/tests/main.js
+++ b/tests/main.js
@@ -54,8 +54,9 @@ export async function test(cb = (_mockPool) => {}, env = DEFAULT_ENV) {
 
   // Calling `auth({ type: "app" })` to obtain a JWT doesn’t make network requests, so no need to intercept.
 
-  // Mock installation id request
+  // Mock installation ID and app slug request
   const mockInstallationId = "123456";
+  const mockAppSlug = "github-actions";
   const owner = env.INPUT_OWNER ?? env.GITHUB_REPOSITORY_OWNER;
   const repo = encodeURIComponent(
     (env.INPUT_REPOSITORIES ?? env.GITHUB_REPOSITORY).split(",")[0]
@@ -72,7 +73,7 @@ export async function test(cb = (_mockPool) => {}, env = DEFAULT_ENV) {
     })
     .reply(
       200,
-      { id: mockInstallationId },
+      { id: mockInstallationId, "app_slug": mockAppSlug },
       { headers: { "content-type": "application/json" } }
     );
 
diff --git a/tests/snapshots/index.js.md b/tests/snapshots/index.js.md
index b42248a..21918c0 100644
--- a/tests/snapshots/index.js.md
+++ b/tests/snapshots/index.js.md
@@ -28,6 +28,10 @@ Generated by [AVA](https://avajs.dev).
     ::add-mask::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
+    ␊
+    ::set-output name=installation-id::123456␊
+    ␊
+    ::set-output name=app-slug::github-actions␊
     ::save-state name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=expiresAt::2016-07-11T22:14:10Z`
@@ -85,6 +89,10 @@ Generated by [AVA](https://avajs.dev).
     ::add-mask::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
+    ␊
+    ::set-output name=installation-id::123456␊
+    ␊
+    ::set-output name=app-slug::github-actions␊
     ::save-state name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=expiresAt::2016-07-11T22:14:10Z`
@@ -101,6 +109,10 @@ Generated by [AVA](https://avajs.dev).
     ::add-mask::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
+    ␊
+    ::set-output name=installation-id::123456␊
+    ␊
+    ::set-output name=app-slug::github-actions␊
     ::save-state name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=expiresAt::2016-07-11T22:14:10Z`
@@ -117,6 +129,10 @@ Generated by [AVA](https://avajs.dev).
     ::add-mask::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
+    ␊
+    ::set-output name=installation-id::123456␊
+    ␊
+    ::set-output name=app-slug::github-actions␊
     ::save-state name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=expiresAt::2016-07-11T22:14:10Z`
@@ -133,6 +149,10 @@ Generated by [AVA](https://avajs.dev).
     ::add-mask::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
+    ␊
+    ::set-output name=installation-id::123456␊
+    ␊
+    ::set-output name=app-slug::github-actions␊
     ::save-state name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=expiresAt::2016-07-11T22:14:10Z`
@@ -150,6 +170,10 @@ Generated by [AVA](https://avajs.dev).
     ::add-mask::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
+    ␊
+    ::set-output name=installation-id::123456␊
+    ␊
+    ::set-output name=app-slug::github-actions␊
     ::save-state name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=expiresAt::2016-07-11T22:14:10Z`
@@ -166,6 +190,10 @@ Generated by [AVA](https://avajs.dev).
     ::add-mask::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
+    ␊
+    ::set-output name=installation-id::123456␊
+    ␊
+    ::set-output name=app-slug::github-actions␊
     ::save-state name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=expiresAt::2016-07-11T22:14:10Z`
@@ -182,6 +210,10 @@ Generated by [AVA](https://avajs.dev).
     ::add-mask::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
+    ␊
+    ::set-output name=installation-id::123456␊
+    ␊
+    ::set-output name=app-slug::github-actions␊
     ::save-state name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=expiresAt::2016-07-11T22:14:10Z`
@@ -198,6 +230,10 @@ Generated by [AVA](https://avajs.dev).
     ::add-mask::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
+    ␊
+    ::set-output name=installation-id::123456␊
+    ␊
+    ::set-output name=app-slug::github-actions␊
     ::save-state name=token::ghs_16C7e42F292c6912E7710c838347Ae178B4a␊
     ␊
     ::set-output name=expiresAt::2016-07-11T22:14:10Z`
diff --git a/tests/snapshots/index.js.snap b/tests/snapshots/index.js.snap
index 46c364e..53720f3 100644
Binary files a/tests/snapshots/index.js.snap and b/tests/snapshots/index.js.snap differ