diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73a8747..e7a0f69 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,12 +1,11 @@
 # Changelog
 
-## Not released yet
-
-## 1.1.0-rc1 (2022-11-28)
+## 1.1.0 (2022-12-03)
 
 Features:
 
-- Migrete to TypeScript
+- Migrate to TypeScript
+- Add end2end test for both winston 2.x and 3.x.
 
 ## 1.0.2 (2022-11-09)
 
diff --git a/README.md b/README.md
index 3076efb..a135b8d 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,10 @@
 
 A [Logstash TCP][0] transport for [winston][1].
 
+## OBS
+
+The project has now been migrated to TypeScript, everything should be backward compatible but it might cause some new bugs anyway.
+
 ## Usage
 
 ### Winston 2.x
diff --git a/package-lock.json b/package-lock.json
index 29e36ff..491ab1d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "winston-logstash",
-  "version": "1.1.0-rc1",
+  "version": "1.1.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "winston-logstash",
-      "version": "1.1.0-rc1",
+      "version": "1.1.0",
       "license": "MIT",
       "dependencies": {
         "winston-transport": "4.5.0"
diff --git a/package.json b/package.json
index 4ed3e59..448abc1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "winston-logstash",
-  "version": "1.1.0-rc1",
+  "version": "1.1.0",
   "description": "A Logstash transport for winston",
   "main": "./lib/winston-logstash",
   "homepage": "https://github.com/jaakkos/winston-logstash",