diff --git a/CHANGELOG.md b/CHANGELOG.md
index fbed04f..4a1c350 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [v2.3.4] - 2021-04-02
+### Fixed
+- [#25](https://github.com/ivanmarban/winston-telegram/issues/25) Winston Transport can only be default-imported using the 'esModuleInterop' flag.
+
 ## [v2.3.3] - 2021-01-24
 ### Fixed
 - [#24](https://github.com/ivanmarban/winston-telegram/pull/24) Change parseMode prop as optional.
@@ -124,7 +128,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## [v0.1.0] - 2015-11-12
 - First version.
 
-[unreleased]: https://github.com/ivanmarban/winston-telegram/compare/v2.3.3...develop
+[unreleased]: https://github.com/ivanmarban/winston-telegram/compare/v2.3.4...develop
+[v2.3.4]: https://github.com/ivanmarban/winston-telegram/compare/v2.3.3...v2.3.4
 [v2.3.3]: https://github.com/ivanmarban/winston-telegram/compare/v2.3.2...v2.3.3
 [v2.3.2]: https://github.com/ivanmarban/winston-telegram/compare/v2.3.1...v2.3.2
 [v2.3.1]: https://github.com/ivanmarban/winston-telegram/compare/v2.3.0...v2.3.1
diff --git a/package-lock.json b/package-lock.json
index 7814860..86da27c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,11 @@
 {
   "name": "winston-telegram",
-  "version": "2.3.3",
+  "version": "2.3.4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "2.3.2",
+      "version": "2.3.3",
       "license": "MIT",
       "dependencies": {
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@@ -17,7 +17,7 @@
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         "eslint-config-standard": "^16.0.1",
         "eslint-plugin-import": "^2.22.1",
-        "eslint-plugin-jsdoc": "^31.2.2",
+        "eslint-plugin-jsdoc": "^32.3.0",
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@@ -26,7 +26,7 @@
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         "nyc": "^15.1.0",
         "prettier-standard": "^16.4.1",
-        "sinon": "^9.2.1",
+        "sinon": "^10.0.0",
         "winston": "^3.0.0"
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@@ -571,9 +571,9 @@
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@@ -2368,12 +2358,12 @@
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       "dev": true,
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-        "comment-parser": "1.1.1",
+        "comment-parser": "1.1.2",
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@@ -5181,9 +5171,9 @@
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@@ -7511,17 +7501,16 @@
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@@ -8823,9 +8812,9 @@
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@@ -9496,9 +9485,9 @@
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@@ -9513,20 +9502,10 @@
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-      "dev": true,
-      "requires": {
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-      }
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+      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-5.3.1.tgz",
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@@ -10349,9 +10328,9 @@
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@@ -10908,12 +10887,12 @@
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       "dev": true,
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-        "comment-parser": "1.1.1",
+        "comment-parser": "1.1.2",
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@@ -13021,9 +13000,9 @@
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@@ -14835,17 +14814,16 @@
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-        "@sinonjs/formatio": "^5.0.1",
-        "@sinonjs/samsam": "^5.2.0",
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@@ -15867,9 +15845,9 @@
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diff --git a/package.json b/package.json
index 737b253..78be726 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "winston-telegram",
   "description": "A Telegram transport for winston",
-  "version": "2.3.3",
+  "version": "2.3.4",
   "author": "Ivan Marban",
   "repository": {
     "type": "git",
@@ -37,7 +37,7 @@
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     "eslint-config-standard": "^16.0.1",
     "eslint-plugin-import": "^2.22.1",
-    "eslint-plugin-jsdoc": "^31.2.2",
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@@ -46,7 +46,7 @@
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     "prettier-standard": "^16.4.1",
-    "sinon": "^9.2.1",
+    "sinon": "^10.0.0",
     "winston": "^3.0.0"
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   "scripts": {