diff --git a/atlassian/bitbucket.py b/atlassian/bitbucket.py
index 3f2f48764..f6c3692ce 100644
--- a/atlassian/bitbucket.py
+++ b/atlassian/bitbucket.py
@@ -104,13 +104,27 @@ def project_grant_user_permissions(self, project_key, username, permission):
             permission=permission,
             username=username)
         return self.put(url)
+    
+    def project_grant_group_permissions(self, project_key, groupname, permission):
+        """
+        Grant the specified project permission to an specific group
+        :param project_key: project key involved
+        :param groupname: group to be granted
+        :param permission: the project permissions available are 'PROJECT_ADMIN', 'PROJECT_WRITE' and 'PROJECT_READ'
+        :return: 
+        """
+        url = 'rest/api/1.0/projects/{project_key}/permissions/groups?permission={permission}&name={groupname}'.format(
+            project_key=project_key,
+            permission=permission,
+            groupname=groupname)
+        return self.put(url)
 
     def repo_grant_user_permissions(self, project_key, repo_key, username, permission):
         """
         Grant the specified repository permission to an specific user
         :param project_key: project key involved
         :param repo_key: repository key involved (slug)
-        :param user: user name to be granted
+        :param username: user name to be granted
         :param permission: the repository permissions available are 'REPO_ADMIN', 'REPO_WRITE' and 'REPO_READ'
         :return: 
         """
@@ -121,6 +135,22 @@ def repo_grant_user_permissions(self, project_key, repo_key, username, permissio
             username=username)
         return self.put(url)
 
+    def repo_grant_group_permissions(self, project_key, repo_key, groupname, permission):
+        """
+        Grant the specified repository permission to an specific group
+        :param project_key: project key involved
+        :param repo_key: repository key involved (slug)
+        :param groupname: group to be granted
+        :param permission: the repository permissions available are 'REPO_ADMIN', 'REPO_WRITE' and 'REPO_READ'
+        :return: 
+        """
+        url = 'rest/api/1.0/projects/{project_key}/repos/{repo_key}/permissions/groups?permission={permission}&name={groupname}'.format(
+            project_key=project_key,
+            repo_key=repo_key,
+            permission=permission,
+            groupname=groupname)
+        return self.put(url)
+
     def project_groups(self, key, limit=99999, filter_str=None):
         """
         Get Project Groups
diff --git a/docs/bitbucket.rst b/docs/bitbucket.rst
index 73c232e9d..3e69e9af2 100644
--- a/docs/bitbucket.rst
+++ b/docs/bitbucket.rst
@@ -33,6 +33,9 @@ Manage projects
     # Grant project permission to an specific user
     bitbucket.project_grant_user_permissions(project_key, username, permission)
 
+    # Grant project permission to an specific group
+    bitbucket.project_grant_group_permissions(project_key, groupname, permission)
+
 Manage repositories
 ---------------
 
@@ -74,6 +77,9 @@ Manage repositories
     # Grant repository permission to an specific user
     bitbucket.repo_grant_user_permissions(project_key, repo_key, username, permission)
 
+    # Grant repository permission to an specific group
+    bitbucket.repo_grant_group_permissions(project_key, repo_key, groupname, permission)
+
 Groups and admins
 -----------------