diff --git a/dist/index.js b/dist/index.js
index faf637755..080286d0d 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -293,24 +293,41 @@ class GitHubHelper {
         };
     }
     getActorPermission(repo, actor) {
+        var _a;
         return __awaiter(this, void 0, void 0, function* () {
-            // https://docs.github.com/en/graphql/reference/enums#repositorypermission
-            // https://docs.github.com/en/graphql/reference/objects#repositorycollaboratoredge
-            // Returns 'READ', 'TRIAGE', 'WRITE', 'MAINTAIN', 'ADMIN'
-            const query = `query CollaboratorPermission($owner: String!, $repo: String!, $collaborator: String) {
-      repository(owner:$owner, name:$repo) {
-        collaborators(login: $collaborator) {
-          edges {
-            permission
-          }
-        }
-      }
-    }`;
-            const collaboratorPermission = yield this.octokit.graphql(query, Object.assign(Object.assign({}, repo), { collaborator: actor }));
-            core.debug(`CollaboratorPermission: ${(0, util_1.inspect)(collaboratorPermission.repository.collaborators.edges)}`);
-            return collaboratorPermission.repository.collaborators.edges.length > 0
-                ? collaboratorPermission.repository.collaborators.edges[0].permission.toLowerCase()
-                : 'none';
+            // Use the REST API approach which can detect both direct and team-based permissions
+            // This is more reliable than the GraphQL approach for team permissions and works better with default GITHUB_TOKEN
+            try {
+                const { data: collaboratorPermission } = yield this.octokit.rest.repos.getCollaboratorPermissionLevel(Object.assign(Object.assign({}, repo), { username: actor }));
+                const permissions = (_a = collaboratorPermission.user) === null || _a === void 0 ? void 0 : _a.permissions;
+                core.debug(`REST API collaborator permission: ${(0, util_1.inspect)(permissions)}`);
+                // Use the detailed permissions object to get the highest permission level
+                if (permissions) {
+                    // Check permissions in order of highest to lowest
+                    if (permissions.admin) {
+                        return 'admin';
+                    }
+                    else if (permissions.maintain) {
+                        return 'maintain';
+                    }
+                    else if (permissions.push) {
+                        return 'write';
+                    }
+                    else if (permissions.triage) {
+                        core.debug(`User ${actor} has triage permission via REST API`);
+                        return 'triage';
+                    }
+                    else if (permissions.pull) {
+                        core.debug(`User ${actor} has read permission via REST API`);
+                        return 'read';
+                    }
+                }
+                return 'none';
+            }
+            catch (error) {
+                core.debug(`REST API permission check failed: ${utils.getErrorMessage(error)}`);
+                return 'none';
+            }
         });
     }
     tryAddReaction(repo, commentId, reaction) {
diff --git a/src/command-helper.ts b/src/command-helper.ts
index 6c2f31bac..353a92417 100644
--- a/src/command-helper.ts
+++ b/src/command-helper.ts
@@ -175,7 +175,7 @@ export function configIsValid(config: Command[]): string | null {
 }
 
 export function actorHasPermission(
-  actorPermission: string,
+  actorPermission: utils.RepoPermission,
   commandPermission: string
 ): boolean {
   const permissionLevels = Object.freeze({
diff --git a/src/github-helper.ts b/src/github-helper.ts
index 31b96237f..8df006dab 100644
--- a/src/github-helper.ts
+++ b/src/github-helper.ts
@@ -55,32 +55,47 @@ export class GitHubHelper {
     }
   }
 
-  async getActorPermission(repo: Repository, actor: string): Promise<string> {
-    // https://docs.github.com/en/graphql/reference/enums#repositorypermission
-    // https://docs.github.com/en/graphql/reference/objects#repositorycollaboratoredge
-    // Returns 'READ', 'TRIAGE', 'WRITE', 'MAINTAIN', 'ADMIN'
-    const query = `query CollaboratorPermission($owner: String!, $repo: String!, $collaborator: String) {
-      repository(owner:$owner, name:$repo) {
-        collaborators(login: $collaborator) {
-          edges {
-            permission
-          }
+  async getActorPermission(
+    repo: Repository,
+    actor: string
+  ): Promise<utils.RepoPermission> {
+    // Use the REST API approach which can detect both direct and team-based permissions
+    // This is more reliable than the GraphQL approach for team permissions and works better with default GITHUB_TOKEN
+    try {
+      const {data: collaboratorPermission} =
+        await this.octokit.rest.repos.getCollaboratorPermissionLevel({
+          ...repo,
+          username: actor
+        })
+
+      const permissions = collaboratorPermission.user?.permissions
+      core.debug(`REST API collaborator permission: ${inspect(permissions)}`)
+
+      // Use the detailed permissions object to get the highest permission level
+      if (permissions) {
+        // Check permissions in order of highest to lowest
+        if (permissions.admin) {
+          return 'admin'
+        } else if (permissions.maintain) {
+          return 'maintain'
+        } else if (permissions.push) {
+          return 'write'
+        } else if (permissions.triage) {
+          core.debug(`User ${actor} has triage permission via REST API`)
+          return 'triage'
+        } else if (permissions.pull) {
+          core.debug(`User ${actor} has read permission via REST API`)
+          return 'read'
         }
       }
-    }`
-    const collaboratorPermission =
-      await this.octokit.graphql<CollaboratorPermission>(query, {
-        ...repo,
-        collaborator: actor
-      })
-    core.debug(
-      `CollaboratorPermission: ${inspect(
-        collaboratorPermission.repository.collaborators.edges
-      )}`
-    )
-    return collaboratorPermission.repository.collaborators.edges.length > 0
-      ? collaboratorPermission.repository.collaborators.edges[0].permission.toLowerCase()
-      : 'none'
+
+      return 'none'
+    } catch (error) {
+      core.debug(
+        `REST API permission check failed: ${utils.getErrorMessage(error)}`
+      )
+      return 'none'
+    }
   }
 
   async tryAddReaction(
diff --git a/src/utils.ts b/src/utils.ts
index 52dc89799..52fb0266d 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,5 +1,13 @@
 import * as core from '@actions/core'
 
+export type RepoPermission =
+  | 'admin'
+  | 'maintain'
+  | 'write'
+  | 'triage'
+  | 'read'
+  | 'none'
+
 export function getInputAsArray(
   name: string,
   options?: core.InputOptions