diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..03346aa
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,23 @@
+# 1.0.0 (2022-02-14)
+
+
+### Bug Fixes
+
+* add package-lock so CI works ([a3a1f0d](https://github.com/eduardoborges/boboleto/commit/a3a1f0daef1c45eca9631411873329e8a61efaca))
+* calcula mod 11 now definitely correct ([a873c9e](https://github.com/eduardoborges/boboleto/commit/a873c9e9c8c85f7e3e66a8db20e223010e84795a))
+* calculo mod11 para boleto nao bancario ([b1a83bf](https://github.com/eduardoborges/boboleto/commit/b1a83bfd5a2a4ef381161dbbddac5aa6a75940b2))
+* method calculaMod11 now working ([9682ec9](https://github.com/eduardoborges/boboleto/commit/9682ec90c1f10d34debe5bfb6af378c5d9f4cbe3))
+* mudando calculo de mod11 ([125f636](https://github.com/eduardoborges/boboleto/commit/125f6365d9e725f4e6e845c30f85372c51a80702))
+* parsing tipoCodigo argument on validarBoleto ([21981e3](https://github.com/eduardoborges/boboleto/commit/21981e3d8a14c9b789e58307caeda6b06d0eb8b6))
+* removing console.logs ([9a1c76b](https://github.com/eduardoborges/boboleto/commit/9a1c76bd99505da31349b5d0b4de519f71e64ba8))
+* timezone issue, set as always UTC ([95affb2](https://github.com/eduardoborges/boboleto/commit/95affb232a9e27f431c073380a3d83488cc6c235))
+* tirando console.log ([ce83e92](https://github.com/eduardoborges/boboleto/commit/ce83e92ba85241f5c70231a812c56e5606d7378a))
+* unnecessary if ([3a601f5](https://github.com/eduardoborges/boboleto/commit/3a601f5e75e5ce412a2249d7578226b380030c5d))
+* validarBoleto voltou a aceitar apenas codigo ([b85e2f9](https://github.com/eduardoborges/boboleto/commit/b85e2f9434d67f73676b7ef3ebe4b8447513b10e))
+* wrong argument fix ([2c21b3b](https://github.com/eduardoborges/boboleto/commit/2c21b3b91746caf0d31897c923afc2621c5f3c63))
+
+
+### Features
+
+* adicionado tipoBoleto CARTAO_DE_CREDITO ([402caa0](https://github.com/eduardoborges/boboleto/commit/402caa0a48485d3e0ca2fc5ba736abdd52d0dbff))
+* restructure project ([eacc646](https://github.com/eduardoborges/boboleto/commit/eacc646431f906fa701dc12d6e51249a709f11ad))
diff --git a/package-lock.json b/package-lock.json
index 2c59e59..2bee68f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "boboleto",
-  "version": "0.0.1",
+  "version": "1.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "boboleto",
-      "version": "0.0.1",
+      "version": "1.0.0",
       "license": "MIT",
       "devDependencies": {
         "@semantic-release/changelog": "6.0.1",
diff --git a/package.json b/package.json
index c678c42..140c937 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "boboleto",
-  "version": "0.0.1",
+  "version": "1.0.0",
   "private": "false",
   "repository": "https://github.com/eduardoborges/boboleto",
   "description": "Um conjunto de funções para validar, converter, detectar boletos e cobranças.",
@@ -53,4 +53,4 @@
       "<rootDir>/**/*.test.ts"
     ]
   }
-}
\ No newline at end of file
+}