diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e0b8bf9c..824a478b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,34 @@
+## Change Log
+
+### v0.1.22 (2019/12/03 06:03 +00:00)
+- [#1345](https://github.com/ethereum/remix/pull/1345) Bump version 0.1.22 (@Aniket-Engg )
+- [#1344](https://github.com/ethereum/remix/pull/1344) null worker before next load (@LianaHus )
+- [#1343](https://github.com/ethereum/remix/pull/1343) libs description updated (@Aniket-Engg )
+- [#1339](https://github.com/ethereum/remix/pull/1339) remix-solidity dependencies & readme updated (@Aniket-Engg )
+- [#1338](https://github.com/ethereum/remix/pull/1338) test file suffix checks improved (@Aniket-Engg )
+- [#1337](https://github.com/ethereum/remix/pull/1337) twice error catching improved (@Aniket-Engg )
+- [#1336](https://github.com/ethereum/remix/pull/1336) contribution file updated (@Aniket-Engg )
+- [#1335](https://github.com/ethereum/remix/pull/1335) package.json updated (@Aniket-Engg )
+- [#1334](https://github.com/ethereum/remix/pull/1334) more types added in remix-tests (@Aniket-Engg )
+- [#1333](https://github.com/ethereum/remix/pull/1333) added an exception catch (@LianaHus )
+- [#1332](https://github.com/ethereum/remix/pull/1332) remix-tests readme update (@Aniket-Engg )
+- [#1323](https://github.com/ethereum/remix/pull/1323) Bump lodash.mergewith from 4.6.1 to 4.6.2 in /remix-debugger (@dependabot[bot])
+- [#1324](https://github.com/ethereum/remix/pull/1324) Bump lodash from 4.17.11 to 4.17.15 in /remix-debugger (@dependabot[bot])
+- [#1329](https://github.com/ethereum/remix/pull/1329) sequence for tests (@Aniket-Engg)
+- [#1327](https://github.com/ethereum/remix/pull/1327) import supported in test contract (@Aniket-Engg)
+- [#1325](https://github.com/ethereum/remix/pull/1325) initiate provider (@Aniket-Engg)
+- [#1272](https://github.com/ethereum/remix/pull/1272) Implement filters; add more tests; eth_getStorageAt (@Aniket-Engg, @iurimatias)
+- [#1317](https://github.com/ethereum/remix/pull/1317) tests for #1314 (@Aniket-Engg)
+- [#1314](https://github.com/ethereum/remix/pull/1314) loop over dynamic array length will show warning (@Aniket-Engg)
+- [#1315](https://github.com/ethereum/remix/pull/1315) ethereumjs-util version updated to latest in all modules (@Aniket-Engg)
+- [#1311](https://github.com/ethereum/remix/pull/1311) transaction execution error recorded (@Aniket-Engg)
+- [#1313](https://github.com/ethereum/remix/pull/1313) delete from mapping will not show warning (@Aniket-Engg)
+- [#1312](https://github.com/ethereum/remix/pull/1312) update remix-tests unit tests (@0mkara)
+- [#1310](https://github.com/ethereum/remix/pull/1310) bytecode updated after library linking (@Aniket-Engg)
+- [#1307](https://github.com/ethereum/remix/pull/1307) changelog auto update (@Aniket-Engg)
+- [#1308](https://github.com/ethereum/remix/pull/1308) Separate AST blocks in remix-analyzer tests (@Aniket-Engg)
+- [#1306](https://github.com/ethereum/remix/pull/1306) changelog updated (@Aniket-Engg)
+
 <a name="v0.1.21"></a>
 # [v0.1.21](https://github.com/ethereum/remix/releases/tag/v0.1.21) - 30 Sep 2019
 
diff --git a/gulpfile.js b/gulpfile.js
index d4a62eb11..e0ce2c22a 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -3,19 +3,18 @@
 'use strict';
 var { task } = require('gulp');
 var fs = require('fs');
-var exec = require('child_process').exec;
 const util = require('util');
 const promisifyExec = util.promisify(require('child_process').exec);
 
 var packageJSON = require('./package.json');
 
-task('publishTag', function () {
-    exec("git tag v"+ packageJSON.version +"; git push --tags");
+task('publishTag', async function () {
+    await promisifyExec("git tag v"+ packageJSON.version +"; git push --tags");
 });
 
-task('updateChangelog', async function update() {
+task('updateChangelog', async function () {
     let previous_version = process.argv[4];
-    let next_version = packageJSON.version;
+    let next_version = "v" + packageJSON.version;
     await promisifyExec("github-changes -o ethereum -r remix -a --file changes.md --only-pulls --use-commit-body --only-merges --between-tags " + previous_version + "..." + next_version);
     let data = fs.readFileSync(__dirname + '/changes.md', 'utf8') + '\n\n' + fs.readFileSync(__dirname + '/CHANGELOG.md', 'utf8')
     fs.unlinkSync(__dirname + '/CHANGELOG.md');