diff --git a/.ruby-version b/.ruby-version
index 276cbf9..005119b 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.3.0
+2.4.1
diff --git a/lib/bitbucket_rest_api/error.rb b/lib/bitbucket_rest_api/error.rb
index 5ee3321..7c3c938 100644
--- a/lib/bitbucket_rest_api/error.rb
+++ b/lib/bitbucket_rest_api/error.rb
@@ -33,6 +33,7 @@ def initialize(message)
   bad_events
   no_events
   blank_value
+  refresh_token
 ].each do |error|
   require "bitbucket_rest_api/error/#{error}"
 end
diff --git a/lib/bitbucket_rest_api/error/refresh_token.rb b/lib/bitbucket_rest_api/error/refresh_token.rb
new file mode 100644
index 0000000..a8bb066
--- /dev/null
+++ b/lib/bitbucket_rest_api/error/refresh_token.rb
@@ -0,0 +1,12 @@
+# encoding: utf-8
+
+module BitBucket #:nodoc
+  # Raised when BitBucket receives a RefreshToken error
+  module Error
+    class RefreshToken < BitBucketError
+      def initialize(env)
+        super(env)
+      end
+    end
+  end # Error
+end # BitBucket
diff --git a/lib/bitbucket_rest_api/repos/webhooks.rb b/lib/bitbucket_rest_api/repos/webhooks.rb
index f1635e2..f39c2c1 100644
--- a/lib/bitbucket_rest_api/repos/webhooks.rb
+++ b/lib/bitbucket_rest_api/repos/webhooks.rb
@@ -62,7 +62,7 @@ def get(user_name_or_project_key, repo_name, hook_uuid)
       _validate_user_repo_params(user, repo) unless user? && repo?
 
       get_request(
-        "/2.0/repositories/#{user_name}/#{repo_name}/hooks/#{hook_uuid}"
+        "/2.0/repositories/#{user_name_or_project_key}/#{repo_name}/hooks/#{hook_uuid}"
       )
     end
 
diff --git a/lib/bitbucket_rest_api/request.rb b/lib/bitbucket_rest_api/request.rb
index e194625..227afc4 100644
--- a/lib/bitbucket_rest_api/request.rb
+++ b/lib/bitbucket_rest_api/request.rb
@@ -28,6 +28,20 @@ def delete_request(path, params={}, options={})
       request(:delete, path, params, options)
     end
 
+    def retry_token_refresh_errors
+      count = 0
+      begin
+        yield
+      rescue BitBucket::Error::RefreshToken
+        count += 1
+        if count <= 3
+          sleep 0.3 * count
+          retry
+        end
+        raise
+      end
+    end
+
     def request(method, path, params, options={})
       if !METHODS.include?(method)
         raise ArgumentError, "unkown http method: #{method}"
@@ -36,25 +50,28 @@ def request(method, path, params, options={})
 
       puts "EXECUTED: #{method} - #{path} with #{params} and #{options}" if ENV['DEBUG']
 
-      conn = connection(options)
-      path_prefix = (path.include?('/ssh') && BitBucket.options[:bitbucket_server]) ? '/rest/keys' : conn.path_prefix
-      path = (path_prefix + path).gsub(/\/\//,'/') if conn.path_prefix != '/'
-
-      response = conn.send(method) do |request|
-        request['Authorization'] = "Bearer #{new_access_token}" unless new_access_token.nil?
-        case method.to_sym
-        when *(METHODS - METHODS_WITH_BODIES)
-          request.body = params.delete('data') if params.has_key?('data')
-          request.url(path, params)
-        when *METHODS_WITH_BODIES
-          request.path = path
-          unless params.empty?
-            # data = extract_data_from_params(params)
-            # request.body = MultiJson.dump(data)
-            request.body = MultiJson.dump(params)
+      response = retry_token_refresh_errors do
+        conn = connection(options)
+        path_prefix = (path.include?('/ssh') && BitBucket.options[:bitbucket_server]) ? '/rest/keys' : conn.path_prefix
+        path = (path_prefix + path).gsub(/\/\//,'/') if conn.path_prefix != '/'
+
+        response = conn.send(method) do |request|
+          request['Authorization'] = "Bearer #{new_access_token}" unless new_access_token.nil?
+          case method.to_sym
+          when *(METHODS - METHODS_WITH_BODIES)
+            request.body = params.delete('data') if params.has_key?('data')
+            request.url(path, params)
+          when *METHODS_WITH_BODIES
+            request.path = path
+            unless params.empty?
+              # data = extract_data_from_params(params)
+              # request.body = MultiJson.dump(data)
+              request.body = MultiJson.dump(params)
+            end
           end
         end
       end
+
       response.body
     end
 
diff --git a/lib/bitbucket_rest_api/response/raise_error.rb b/lib/bitbucket_rest_api/response/raise_error.rb
index 01724ca..bc0c89b 100644
--- a/lib/bitbucket_rest_api/response/raise_error.rb
+++ b/lib/bitbucket_rest_api/response/raise_error.rb
@@ -3,6 +3,8 @@
 require 'faraday'
 require 'bitbucket_rest_api/error'
 
+REFRESH_TOKEN = %r{Access token expired. Use your refresh token to obtain a new access token.}
+
 module BitBucket
   class Response::RaiseError < Faraday::Response::Middleware
 
@@ -11,6 +13,9 @@ def on_complete(env)
       when 400
         raise BitBucket::Error::BadRequest.new(env)
       when 401
+        if env[:body] =~ REFRESH_TOKEN
+          raise BitBucket::Error::RefreshToken.new(env)
+        end
         raise BitBucket::Error::Unauthorized.new(env)
       when 403
         raise BitBucket::Error::Forbidden.new(env)