diff --git a/services/GithubService.js b/services/GithubService.js
index 6f2eafe..87e8713 100644
--- a/services/GithubService.js
+++ b/services/GithubService.js
@@ -43,7 +43,7 @@ function _parseRepoUrl(fullName) {
 /**
  * authenticate the github using access token
  * @param {String} accessToken the access token of copilot
- * @returns {Object} the github instance
+ * @returns {Promise<Object>} the github instance
  * @private
  */
 async function _authenticate(accessToken) {
@@ -82,7 +82,7 @@ async function _removeAssignees(github, owner, repo, number, assignees) {
 /**
  * gets the username of given user id
  * @param {Number} id the user id
- * @returns {string} username if found
+ * @returns {Promise<string>} username if found
  */
 async function _getUsernameById(id) {
   const user = await request
@@ -211,7 +211,7 @@ createComment.schema = {
  * Gets the user name by user id
  * @param {Object} copilot the copilot
  * @param {Number} userId the user id
- * @returns {string} the username if found else null
+ * @returns {Promise<string>} the username if found else null
  */
 async function getUsernameById(copilot, userId) {
   Joi.attempt({copilot, userId}, getUsernameById.schema);
@@ -228,7 +228,7 @@ getUsernameById.schema = {
  * Gets the user id by username
  * @param {Object} copilot the copilot
  * @param {string} login the username
- * @returns {Number} the user id if found else null
+ * @returns {Promise<Number>} the user id if found else null
  */
 async function getUserIdByLogin(copilot, login) {
   Joi.attempt({copilot, login}, getUserIdByLogin.schema);
diff --git a/services/GitlabService.js b/services/GitlabService.js
index 57e6307..8dd94db 100644
--- a/services/GitlabService.js
+++ b/services/GitlabService.js
@@ -287,7 +287,7 @@ class GitlabService {
   /**
    * Gets the user name by user id
    * @param {Number} userId the user id
-   * @returns {string} the username if found else null
+   * @returns {Promise<string>} the username if found else null
    */
   async getUsernameById(userId) {
     Joi.attempt({userId}, {userId: Joi.number().required()});
@@ -298,7 +298,7 @@ class GitlabService {
   /**
    * Gets the user id by username
    * @param {String} login the username
-   * @returns {Number} the user id if found else null
+   * @returns {Promise<Number>} the user id if found else null
    */
   async getUserIdByLogin(login) {
     Joi.attempt({login}, {login: Joi.string().required()});
diff --git a/utils/git-helper.js b/utils/git-helper.js
index cc53626..2c90631 100644
--- a/utils/git-helper.js
+++ b/utils/git-helper.js
@@ -13,7 +13,7 @@
 
 const config = require('config');
 const gitHubService = require('../services/GithubService');
-const gitlabService = require('../services/GitlabService');
+const GitlabService = require('../services/GitlabService');
 const azureService = require('../services/AzureService');
 
 class GitHelper {
@@ -27,6 +27,7 @@ class GitHelper {
     if (event.provider === 'github') {
       await gitHubService.createComment(event.copilot, event.data.repository.full_name, issueNumber, comment);
     } else if (event.provider === 'gitlab') {
+      const gitlabService = await GitlabService.create(event.copilot);
       await gitlabService.createComment(event.copilot, event.data.repository, issueNumber, comment);
     }
   }
@@ -41,6 +42,7 @@ class GitHelper {
     if (event.provider === 'github') {
       await gitHubService.addLabels(event.copilot, event.data.repository.full_name, issueNumber, labels);
     } else if (event.provider === 'gitlab') {
+      const gitlabService = await GitlabService.create(event.copilot);
       await gitlabService.addLabels(event.copilot, event.data.repository, issueNumber, labels);
     }
   }
@@ -54,6 +56,7 @@ class GitHelper {
     if (event.provider === 'github') {
       await gitHubService.changeState(event.copilot, event.data.repository.full_name, issue.number, 'open');
     } else if (event.provider === 'gitlab') {
+      const gitlabService = await GitlabService.create(event.copilot);
       await gitlabService.changeState(event.copilot, event.data.repository, issue.number, 'reopen');
     }
   }
@@ -68,6 +71,7 @@ class GitHelper {
     if (event.provider === 'github') {
       return await gitHubService.getUsernameById(event.copilot, assigneeUserId);
     } else if (event.provider === 'gitlab') {
+      const gitlabService = await GitlabService.create(event.copilot);
       return await gitlabService.getUsernameById(event.copilot, assigneeUserId);
     }
     return null;
@@ -84,6 +88,7 @@ class GitHelper {
     if (event.provider === 'github') {
       await gitHubService.removeAssign(event.copilot, event.data.repository.full_name, issueNumber, assigneeUsername);
     } else if (event.provider === 'gitlab') {
+      const gitlabService = await GitlabService.create(event.copilot);
       await gitlabService.removeAssign(event.copilot, event.data.repository, issueNumber, assigneeUserId);
     }
   }
@@ -98,6 +103,7 @@ class GitHelper {
     if (event.provider === 'github') {
       await gitHubService.updateIssue(event.copilot, event.data.repository.full_name, issueNumber, newTitle);
     } else if (event.provider === 'gitlab') {
+      const gitlabService = await GitlabService.create(event.copilot);
       await gitlabService.updateIssue(event.copilot, event.data.repository, issueNumber, newTitle);
     }
   }
@@ -112,6 +118,7 @@ class GitHelper {
     if (event.provider === 'github') {
       await gitHubService.assignUser(event.copilot, event.data.repository.full_name, issueNumber, assignedUser);
     } else if (event.provider === 'gitlab') {
+      const gitlabService = await GitlabService.create(event.copilot);
       const userId = await gitlabService.getUserIdByLogin(event.copilot, assignedUser);
       await gitlabService.assignUser(event.copilot, event.data.repository, issueNumber, userId);
     }
@@ -131,6 +138,7 @@ class GitHelper {
       await gitHubService.markIssueAsPaid(event.copilot, event.data.repository.full_name, issueNumber, challengeUUID, existLabels, winner,
         createCopilotPayments);
     } else if (event.provider === 'gitlab') {
+      const gitlabService = await GitlabService.create(event.copilot);
       await gitlabService.markIssueAsPaid(event.copilot, event.data.repository, issueNumber, challengeUUID, existLabels, winner,
         createCopilotPayments);
     } else if (event.provider === 'azure') {
@@ -139,7 +147,7 @@ class GitHelper {
   }
 
   /**
-   * Retruns repository full url
+   * Returns repository full url
    * @param {Object} event the event
    * @returns {String} the repository full url
    */
@@ -162,6 +170,7 @@ class GitHelper {
     if (event.provider === 'github') {
       return await gitHubService.getUserIdByLogin(event.copilot, assignee);
     } else if (event.provider === 'gitlab') {
+      const gitlabService = await GitlabService.create(event.copilot);
       return gitlabService.getUserIdByLogin(event.copilot, assignee);
     }
     return null;