diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 5fdd883..895bf0e 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.1.0"
+  ".": "2.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..d000633
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,16 @@
+# Changelog
+
+## [2.0.0](https://github.com/hexlet-components/php-pairs/compare/v1.1.0...v2.0.0) (2026-08-18)
+
+
+### Miscellaneous Chores
+
+* **deps:** php 8.5, phpunit 13 и пин code sniffer ([#18](https://github.com/hexlet-components/php-pairs/issues/18)) ([14a10ad](https://github.com/hexlet-components/php-pairs/commit/14a10ade8d2c53ab3f09f5a20a317c8ad731c743))
+* **deps:** separate dev and prod composer dependency groups in dependabot config ([fc4590f](https://github.com/hexlet-components/php-pairs/commit/fc4590f1f50c628b8a7e058ccd3f38b497cf0093))
+* normalize dependabot grouping by ecosystem ([580f1b3](https://github.com/hexlet-components/php-pairs/commit/580f1b327a8e778d14ed8de7b3207c7797af2425))
+* standardize dependabot config ([a1d5b76](https://github.com/hexlet-components/php-pairs/commit/a1d5b76910e7ab2ba94990b5cb04eca1b52bedef))
+
+
+### Continuous Integration
+
+* **release:** вести версию и тег через release-please ([#19](https://github.com/hexlet-components/php-pairs/issues/19)) ([f083686](https://github.com/hexlet-components/php-pairs/commit/f0836863f215ba01c2ba90a8bd03c41cc0a455e7))