diff --git a/.gitattributes b/.gitattributes
index 6d82a4c..607038a 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,12 +1,13 @@
 * text=auto
 
-/.editorconfig  export-ignore
-/.gitattributes export-ignore
-/.github        export-ignore
-/.gitignore     export-ignore
-/.php_cs        export-ignore
-/phpstan.neon   export-ignore
-/README.md      export-ignore
-/phpspec.yml    export-ignore
-/CHANGELOG.md   export-ignore
-/**/*Test.php   export-ignore
+/.editorconfig     export-ignore
+/.gitattributes    export-ignore
+/.github           export-ignore
+/.gitignore        export-ignore
+/.php-cs-fixer.php export-ignore
+/phpstan.neon      export-ignore
+/psalm.xml         export-ignore
+/README.md         export-ignore
+/phpspec.yml       export-ignore
+/CHANGELOG.md      export-ignore
+/**/*Spec.php      export-ignore
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06ad31c..de48b68 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,17 @@
 
 All Notable changes to `bakame/spec` will be documented in this file
 
+## [1.0.1] - 2022-05-13
+
+### Fixed
+
+Remove development files from package download.
+
+
 ## [1.0.0] - 2022-05-13
 
 **Initial release!**
 
-[0.1.0]: https://github.com/bakame-php/spec/releases/tag/1.0.0
\ No newline at end of file
+
+[1.0.1]: https://github.com/bakame-php/spec/releases/tag/1.0.0...1.0.1
+[1.0.0]: https://github.com/bakame-php/spec/releases/tag/1.0.0
\ No newline at end of file