diff --git a/packages/core/package.json b/packages/core/package.json
index 53ce95e16..21c86d02f 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -93,7 +93,7 @@
     "zod": "^3.22.4"
   },
   "devDependencies": {
-    "@logto/cloud": "0.2.5-c6ed487",
+    "@logto/cloud": "0.2.5-faca9a9",
     "@silverhand/eslint-config": "5.0.0",
     "@silverhand/ts-config": "5.0.0",
     "@types/debug": "^4.1.7",
diff --git a/packages/core/src/libraries/quota.ts b/packages/core/src/libraries/quota.ts
index b353b4f00..45603bf4e 100644
--- a/packages/core/src/libraries/quota.ts
+++ b/packages/core/src/libraries/quota.ts
@@ -23,7 +23,7 @@ export const createQuotaLibrary = (
   connectorLibrary: ConnectorLibrary
 ) => {
   const {
-    applications: { countAllApplications, countM2mApplications },
+    applications: { countThirdPartyApplications, countAllApplications, countM2mApplications },
     resources: { findTotalNumberOfResources },
     hooks: { getTotalNumberOfHooks },
     roles: { countRoles },
@@ -38,6 +38,7 @@ export const createQuotaLibrary = (
     (queryKey?: string) => Promise<{ count: number }>
   > = {
     applicationsLimit: countAllApplications,
+    thirdPartyApplicationsLimit: countThirdPartyApplications,
     hooksLimit: getTotalNumberOfHooks,
     machineToMachineLimit: countM2mApplications,
     resourcesLimit: async () => {
diff --git a/packages/core/src/queries/application.ts b/packages/core/src/queries/application.ts
index 80dd295a1..37280a222 100644
--- a/packages/core/src/queries/application.ts
+++ b/packages/core/src/queries/application.ts
@@ -161,6 +161,16 @@ export const createApplicationQueries = (pool: CommonQueryMethods) => {
     return { count: Number(count) };
   };
 
+  const countThirdPartyApplications = async () => {
+    const { count } = await pool.one<{ count: string }>(sql`
+      select count(*)
+      from ${table}
+      where ${fields.isThirdParty} = true
+    `);
+
+    return { count: Number(count) };
+  };
+
   const countM2mApplicationsByIds = async (search: Search, applicationIds: string[]) => {
     if (applicationIds.length === 0) {
       return { count: 0 };
@@ -228,6 +238,7 @@ export const createApplicationQueries = (pool: CommonQueryMethods) => {
 
   return {
     countApplications,
+    countThirdPartyApplications,
     findApplications,
     findTotalNumberOfApplications,
     findApplicationById,
diff --git a/packages/core/src/routes/applications/application.ts b/packages/core/src/routes/applications/application.ts
index a80dddbee..674d677fe 100644
--- a/packages/core/src/routes/applications/application.ts
+++ b/packages/core/src/routes/applications/application.ts
@@ -151,6 +151,12 @@ export default function applicationRoutes<T extends AuthedRouter>(
       if (rest.type === ApplicationType.MachineToMachine) {
         await quota.guardKey('machineToMachineLimit');
       }
+
+      // Guard third party application limit
+      if (rest.isThirdParty) {
+        await quota.guardKey('thirdPartyApplicationsLimit');
+      }
+
       await quota.guardKey('applicationsLimit');
 
       assertThat(
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8bf061d39..aef265121 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -3327,8 +3327,8 @@ importers:
         version: 3.22.4
     devDependencies:
       '@logto/cloud':
-        specifier: 0.2.5-c6ed487
-        version: 0.2.5-c6ed487(zod@3.22.4)
+        specifier: 0.2.5-faca9a9
+        version: 0.2.5-faca9a9(zod@3.22.4)
       '@silverhand/eslint-config':
         specifier: 5.0.0
         version: 5.0.0(eslint@8.44.0)(prettier@3.0.0)(typescript@5.3.3)