diff --git a/package-lock.json b/package-lock.json
index 852ad39..a8cf73b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@oat-sa/tao-core-sdk",
-  "version": "1.18.2",
+  "version": "1.19.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 6429fc6..d1322f0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@oat-sa/tao-core-sdk",
-  "version": "1.18.2",
+  "version": "1.19.0",
   "displayName": "TAO Core SDK",
   "description": "Core libraries of TAO",
   "homepage": "https://github.com/oat-sa/tao-core-sdk-fe#readme",
diff --git a/src/core/jwt/jwtTokenHandler.js b/src/core/jwt/jwtTokenHandler.js
index 091bf09..91edec3 100644
--- a/src/core/jwt/jwtTokenHandler.js
+++ b/src/core/jwt/jwtTokenHandler.js
@@ -37,6 +37,7 @@ import TokenError from 'core/error/TokenError';
  * @param {Boolean} [options.usePerTokenTTL] if true, accessToken TTL should be extractable from JWT payload, and accessTokenTTL will be used as fallback
  * @param {Boolean} [options.useCredentials] refreshToken stored in cookie instead of store
  * @param {Object} [options.refreshTokenParameters] Parameters that should be send in refreshToken call
+ * @param {Boolean} [options.oauth2RequestFormat] use oauth2 request format
  * @returns {Object} JWT Token handler instance
  */
 const jwtTokenHandlerFactory = function jwtTokenHandlerFactory({
@@ -45,7 +46,8 @@ const jwtTokenHandlerFactory = function jwtTokenHandlerFactory({
     accessTokenTTL,
     usePerTokenTTL = false,
     refreshTokenParameters,
-    useCredentials = false
+    useCredentials = false,
+    oauth2RequestFormat = false
 } = {}) {
     const tokenStorage = jwtTokenStoreFactory({
         namespace: serviceName,
@@ -65,12 +67,12 @@ const jwtTokenHandlerFactory = function jwtTokenHandlerFactory({
      * @returns {Promise<String>} Promise of new token
      */
     const unQueuedRefreshToken = () => {
-        let body;
+        let parameters;
         let credentials;
         let flow;
 
         if (refreshTokenParameters) {
-            body = Object.assign({}, refreshTokenParameters);
+            parameters = Object.assign({}, refreshTokenParameters);
         }
 
         if (useCredentials) {
@@ -81,21 +83,34 @@ const jwtTokenHandlerFactory = function jwtTokenHandlerFactory({
                 if (!refreshToken) {
                     throw new Error('Refresh token is not available');
                 }
-                body = Object.assign({}, body, { refreshToken });
+                if (oauth2RequestFormat) {
+                    parameters = Object.assign({}, parameters, { refresh_token: refreshToken });
+                } else {
+                    parameters = Object.assign({}, parameters, { refreshToken });
+                }
             });
         }
 
         return flow
             .then(() => {
-                if (body) {
-                    body = JSON.stringify(body);
+                const headers = {};
+                let body;
+                if (oauth2RequestFormat) {
+                    body = new FormData();
+                    Object.keys(parameters).forEach(key => {
+                        body.append(key, parameters[key]);
+                    });
+                } else {
+                    if (parameters) {
+                        body = JSON.stringify(parameters);
+                    }
+
+                    headers['Content-Type'] = 'application/json';
                 }
                 return fetch(refreshTokenUrl, {
                     method: 'POST',
                     credentials,
-                    headers: {
-                        'Content-Type': 'application/json'
-                    },
+                    headers,
                     body
                 });
             })
@@ -112,7 +127,28 @@ const jwtTokenHandlerFactory = function jwtTokenHandlerFactory({
                 error.response = response;
                 return Promise.reject(error);
             })
-            .then(({ accessToken }) => tokenStorage.setAccessToken(accessToken).then(() => accessToken));
+            .then(response => {
+                let accessToken, refreshToken, expiresIn;
+
+                if (oauth2RequestFormat) {
+                    accessToken = response.access_token;
+                    refreshToken = response.refresh_token;
+                    expiresIn = response.expires_in;
+                } else {
+                    accessToken = response.accessToken;
+                    refreshToken = response.refreshToken;
+                }
+
+                if (expiresIn) {
+                    tokenStorage.setAccessTokenTTL(expiresIn * 1000);
+                }
+
+                if (accessToken && refreshToken) {
+                    return tokenStorage.setTokens(accessToken, refreshToken).then(() => accessToken);
+                }
+
+                return tokenStorage.setAccessToken(accessToken).then(() => accessToken);
+            });
     };
 
     return {
diff --git a/test/core/jwt/jwtTokenHandler/test.html b/test/core/jwt/jwtTokenHandler/test.html
index 22ca8be..1a95cd4 100644
--- a/test/core/jwt/jwtTokenHandler/test.html
+++ b/test/core/jwt/jwtTokenHandler/test.html
@@ -38,6 +38,12 @@
                             },
                             setAccessTokenTTL(newAccessTokenTTL) {
                                 accessTokenTTL = newAccessTokenTTL;
+                            },
+                            setTokens(newAccessToken, newRefreshToken) {
+                                accessToken = newAccessToken;
+                                refreshToken = newRefreshToken;
+                                accessTokenStoredAt = Date.now();
+                                return Promise.resolve(true);
                             }
                         };
                     });
diff --git a/test/core/jwt/jwtTokenHandler/test.js b/test/core/jwt/jwtTokenHandler/test.js
index ef032df..2af4ebc 100644
--- a/test/core/jwt/jwtTokenHandler/test.js
+++ b/test/core/jwt/jwtTokenHandler/test.js
@@ -532,4 +532,85 @@ define(['jquery', 'core/jwt/jwtTokenHandler', 'fetch-mock', 'core/error/TokenErr
             }
         );
     });
+
+    QUnit.module('OAuth2', {
+        beforeEach: function () {
+            this.handler = jwtTokenHandlerFactory({
+                refreshTokenUrl: '/refreshUrl',
+                oauth2RequestFormat: true,
+                refreshTokenParameters: {
+                    grant_type: 'refresh_token',
+                    client_id: 'client_1'
+                }
+            });
+        },
+        afterEach: function (assert) {
+            const done = assert.async();
+            fetchMock.restore();
+            this.handler.clearStore().then(done);
+        }
+    });
+
+    QUnit.test('refresh token', function (assert) {
+        assert.expect(10);
+
+        const done = assert.async();
+
+        const accessToken = 'some access token';
+        const refreshToken = 'some refresh token';
+        const updatedRefreshToken = 'some updated refresh token';
+        const updatedAccessToken = 'some updated access token';
+
+        const setupSecondRequest = () => {
+            fetchMock.restore();
+            fetchMock.mock('/refreshUrl', function (url, opts) {
+                const data = {};
+                for (let key of opts.body.keys()) {
+                    data[key] = opts.body.get(key);
+                }
+                assert.equal(data.grant_type, 'refresh_token', 'grant type is sent to the api');
+                assert.equal(data.client_id, 'client_1', 'client id is sent to the api');
+                assert.equal(data.refresh_token, updatedRefreshToken, 'new refresh token is sent to the api');
+                return JSON.stringify({
+                    access_token: updatedAccessToken,
+                    refresh_token: updatedRefreshToken,
+                    expires_in: 1
+                });
+            });
+        };
+
+        fetchMock.mock('/refreshUrl', function (url, opts) {
+            const data = {};
+            for (let key of opts.body.keys()) {
+                data[key] = opts.body.get(key);
+            }
+            assert.equal(data.grant_type, 'refresh_token', 'grant type is sent to the api');
+            assert.equal(data.client_id, 'client_1', 'client id is sent to the api');
+            assert.equal(data.refresh_token, refreshToken, 'refresh token is sent to the api');
+            setupSecondRequest();
+            return JSON.stringify({
+                access_token: accessToken,
+                refresh_token: updatedRefreshToken,
+                expires_in: 1
+            });
+        });
+
+        this.handler.storeRefreshToken(refreshToken).then(setTokenResult => {
+            assert.equal(setTokenResult, true, 'refresh token is set');
+            this.handler.getToken().then(refreshedAccessToken => {
+                assert.equal(refreshedAccessToken, accessToken, 'get refreshed access token');
+
+                this.handler.getToken().then(storedAccessToken => {
+                    assert.equal(storedAccessToken, accessToken, 'get access token from store without refresh');
+                }).then(() => new Promise(resolve => {
+                    setTimeout(resolve, 1000);
+                })).then(() => {
+                    this.handler.getToken().then(storedAccessToken => {
+                        assert.equal(storedAccessToken, updatedAccessToken, 'get access token again, because it was expired');
+                        done();
+                    });
+                });
+            });
+        });
+    });
 });