diff --git a/build.gradle b/build.gradle
index 144f703..d8fd440 100644
--- a/build.gradle
+++ b/build.gradle
@@ -25,7 +25,7 @@ applicationDistribution.from("src/licenses") {
 
 allprojects {
     group 'nk'
-    version '0.0.3'
+    version '0.9.0'
 
     ext.applyKotlin = {
         apply plugin: 'kotlin'
diff --git a/changelog.md b/changelog.md
new file mode 100644
index 0000000..4a653d7
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,15 @@
+## 0.9.0
+
+- Experimental git worktree feature support
+- Set correct index file when working tree repository is used Nikolay Krasko
+- Throw exceptions on unresolved revisions *(thanks to Nicolay Mitropolsky)*
+- `cp` command doc updates *(thanks to Nicolay Mitropolsky)*
+- Compare only neighbour files in `reduce` command
+- Add options for committing files found in `reduce` command
+- Create empty files for files that were absent in base branch during `switch`
+- Introduce `stats` with information about number of bunch files used
+- Show deleted files in `check` command
+- Use `since-ref` in `check` instead of always using `HEAD`  
+- Add third-party libraries licenses
+- Exit with non-zero exit code if problems found
+- Filter out `out` directory from processing during `switch` 
\ No newline at end of file