diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b00513..c89fa1a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## v1.2 - 2019.02.21
+- Add GlobalNullable generation option: if `true`, type `Nullable<T>` from global namespace will be used
+- Fixed invalid Nullable<T> generation
+- Use `Array<null | T>` instead of `Nullable<T>[]` if GlobalNullable option is set to `false` 
+
 ## v1.1 - 2019.02.18
 - TypeScript files generated with '.ts' extension
 - Generation options: EnumGenerationMode: FixedStringsAndDictionary | TypeScriptEnum, EnableOptionalProperties, EnableExplicitNullability
diff --git a/README.md b/README.md
index 24d40c6..c84ac4c 100644
--- a/README.md
+++ b/README.md
@@ -111,6 +111,10 @@ export type SomeType = {
 
 When **disabled** produces all types as-is.
 
+### UseGlobalNullable
+
+This option is **disabled** by default. When **enabled**, global `Nullable<T>` is used instead of union `null | T`
+
 ## Known bugs
 
 See [this issue](https://github.com/skbkontur/TypeScript.ContractGenerator/issues/1)
diff --git a/version.json b/version.json
index b6f5416..9a35ff8 100644
--- a/version.json
+++ b/version.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://raw.githubusercontent.com/AArnott/Nerdbank.GitVersioning/master/src/NerdBank.GitVersioning/version.schema.json",
-  "version": "1.1",
+  "version": "1.2",
   "assemblyVersion": {
     "precision": "build"
   },