diff --git a/CHANGELOG.md b/CHANGELOG.md
index 36b6ed9..fd1b283 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,35 +1,100 @@
 # Changelog
 
-All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+All notable changes to this project will be documented in this file.
 
-## [0.2.0](https://github.com/DataShades/ckanext-comments/compare/v0.1.2...v0.2.0) (2023-04-03)
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+<!-- insertion marker -->
+## [v0.3.0](https://github.com/DataShades/ckanext-comments/releases/tag/v0.3.0) - 2023-04-11
 
-### ⚠ BREAKING CHANGES
-
-* replace const module with config
+<small>[Compare with v0.1.2](https://github.com/DataShades/ckanext-comments/compare/v0.1.2...v0.3.0)</small>
 
 ### Features
 
-* replace const module with config ([6fe009b](https://github.com/DataShades/ckanext-comments/commit/6fe009be3510bcaa06d6bb5b14fc888896a5d517))
+- replace const module with config ([6fe009b](https://github.com/DataShades/ckanext-comments/commit/6fe009be3510bcaa06d6bb5b14fc888896a5d517) by Sergey Motornyuk).
+
+### Bug Fixes
+
+- resolve circular import of Thread from Comment ([9054878](https://github.com/DataShades/ckanext-comments/commit/905487830017cc13bcbab4d27ce448bcc705c16c) by Sergey Motornyuk).
+
+## [v0.1.2](https://github.com/DataShades/ckanext-comments/releases/tag/v0.1.2) - 2023-03-03
 
+<small>[Compare with v0.1.0](https://github.com/DataShades/ckanext-comments/compare/v0.1.0...v0.1.2)</small>
 
 ### Bug Fixes
 
-* resolve circular import of Thread from Comment ([9054878](https://github.com/DataShades/ckanext-comments/commit/905487830017cc13bcbab4d27ce448bcc705c16c))
+- add config declaration to manifest ([247df40](https://github.com/DataShades/ckanext-comments/commit/247df40982a2319b58cae902624c3f576fb87042) by Sergey Motornyuk).
 
-### [0.1.2](https://github.com/DataShades/ckanext-comments/compare/v0.1.0...v0.1.2) (2023-03-03)
+## [v0.1.0](https://github.com/DataShades/ckanext-comments/releases/tag/v0.1.0) - 2022-11-09
 
+<small>[Compare with v0.0.19](https://github.com/DataShades/ckanext-comments/compare/v0.0.19...v0.1.0)</small>
 
 ### Bug Fixes
 
-* add config declaration to manifest ([247df40](https://github.com/DataShades/ckanext-comments/commit/247df40982a2319b58cae902624c3f576fb87042))
+- allow editing own draft comments by default ([fe83008](https://github.com/DataShades/ckanext-comments/commit/fe830083d80a0d494cb021ef42f9432b86dc811a) by Sergey Motornyuk).
 
-### [0.1.1](https://github.com/DataShades/ckanext-comments/compare/v0.1.0...v0.1.1) (2023-03-01)
+## [v0.0.19](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.19) - 2022-04-12
 
-## [0.1.0](https://github.com/DataShades/ckanext-comments/compare/v0.0.19...v0.1.0) (2022-11-09)
+<small>[Compare with v0.0.18](https://github.com/DataShades/ckanext-comments/compare/v0.0.18...v0.0.19)</small>
 
+## [v0.0.18](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.18) - 2022-03-31
 
-### Bug Fixes
+<small>[Compare with v0.0.17](https://github.com/DataShades/ckanext-comments/compare/v0.0.17...v0.0.18)</small>
+
+## [v0.0.17](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.17) - 2022-03-29
+
+<small>[Compare with v0.0.16](https://github.com/DataShades/ckanext-comments/compare/v0.0.16...v0.0.17)</small>
+
+## [v0.0.16](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.16) - 2021-12-10
+
+<small>[Compare with v0.0.15](https://github.com/DataShades/ckanext-comments/compare/v0.0.15...v0.0.16)</small>
+
+## [v0.0.15](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.15) - 2021-12-10
+
+<small>[Compare with v0.0.13](https://github.com/DataShades/ckanext-comments/compare/v0.0.13...v0.0.15)</small>
+
+## [v0.0.13](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.13) - 2021-12-09
+
+<small>[Compare with v0.0.12](https://github.com/DataShades/ckanext-comments/compare/v0.0.12...v0.0.13)</small>
+
+## [v0.0.12](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.12) - 2021-12-09
+
+<small>[Compare with v0.0.11](https://github.com/DataShades/ckanext-comments/compare/v0.0.11...v0.0.12)</small>
+
+## [v0.0.11](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.11) - 2021-12-08
+
+<small>[Compare with v0.0.10](https://github.com/DataShades/ckanext-comments/compare/v0.0.10...v0.0.11)</small>
+
+## [v0.0.10](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.10) - 2021-10-29
+
+<small>[Compare with v0.0.9](https://github.com/DataShades/ckanext-comments/compare/v0.0.9...v0.0.10)</small>
+
+## [v0.0.9](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.9) - 2021-05-17
+
+<small>[Compare with v0.0.8](https://github.com/DataShades/ckanext-comments/compare/v0.0.8...v0.0.9)</small>
+
+## [v0.0.8](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.8) - 2021-04-26
+
+<small>[Compare with v0.0.6](https://github.com/DataShades/ckanext-comments/compare/v0.0.6...v0.0.8)</small>
+
+## [v0.0.6](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.6) - 2021-03-31
+
+<small>[Compare with v0.0.5](https://github.com/DataShades/ckanext-comments/compare/v0.0.5...v0.0.6)</small>
+
+## [v0.0.5](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.5) - 2021-03-29
+
+<small>[Compare with v0.0.4](https://github.com/DataShades/ckanext-comments/compare/v0.0.4...v0.0.5)</small>
+
+## [v0.0.4](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.4) - 2021-03-26
+
+<small>[Compare with v0.0.3](https://github.com/DataShades/ckanext-comments/compare/v0.0.3...v0.0.4)</small>
+
+## [v0.0.3](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.3) - 2021-03-26
+
+<small>[Compare with v0.0.2](https://github.com/DataShades/ckanext-comments/compare/v0.0.2...v0.0.3)</small>
+
+## [v0.0.2](https://github.com/DataShades/ckanext-comments/releases/tag/v0.0.2) - 2021-03-25
+
+<small>[Compare with first commit](https://github.com/DataShades/ckanext-comments/compare/0bc74fb042ef7af60b0e900e50cfc6c15a94fb18...v0.0.2)</small>
 
-* allow editing own draft comments by default ([fe83008](https://github.com/DataShades/ckanext-comments/commit/fe830083d80a0d494cb021ef42f9432b86dc811a))
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..787e9b3
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+.DEFAULT_GOAL := help
+.PHONY = help
+
+help:
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'
+
+
+changelog:  ## compile changelog
+	git changelog -c conventional -o CHANGELOG.md
diff --git a/ckanext/comments/migration/comments/versions/910f3d575038_add_cascade_to_comments.py b/ckanext/comments/migration/comments/versions/910f3d575038_add_cascade_to_comments.py
new file mode 100644
index 0000000..09fccbb
--- /dev/null
+++ b/ckanext/comments/migration/comments/versions/910f3d575038_add_cascade_to_comments.py
@@ -0,0 +1,42 @@
+"""add cascade to comments
+
+Revision ID: 910f3d575038
+Revises: 275515c51af1
+Create Date: 2023-10-06 22:54:18.933232
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "910f3d575038"
+down_revision = "275515c51af1"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.drop_constraint("comments_comments_thread_id_fkey", "comments_comments")
+    op.drop_constraint("comments_comments_reply_to_id_fkey", "comments_comments")
+
+    op.create_foreign_key(
+        "comments_comments_thread_id_fkey",
+        "comments_comments",
+        "comments_threads",
+        ["thread_id"],
+        ["id"],
+        ondelete="CASCADE",
+    )
+    op.create_foreign_key(
+        "comments_comments_reply_to_id_fkey",
+        "comments_comments",
+        "comments_comments",
+        ["reply_to_id"],
+        ["id"],
+        ondelete="CASCADE",
+    )
+
+
+def downgrade():
+    pass