diff --git a/CHANGELOG.md b/CHANGELOG.md
index 655117b..2351106 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-# Next version
+# 1.0.0
 + First commit
 + Add code
 + Fix jest watch for Semaphore
diff --git a/package.json b/package.json
index 4882f87..8f87a14 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@sineverba/concatenate",
-  "version": "0.1.0",
+  "version": "1.0.0",
   "description": "Concatenate two strings",
   "main": "dist/index.js",
   "repository": {
diff --git a/sonar-project.properties b/sonar-project.properties
index c57c469..7f125a8 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -1,5 +1,5 @@
 sonar.projectKey=npm-pkg-concatenate
-sonar.projectVersion=0.1.0
+sonar.projectVersion=1.0.0
 sonar.organization=sineverba
 sonar.sources=src
 sonar.exclusions=**/node_modules/**,src/__tests__/**