diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index beea3f7..1772e6f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "0.3.1"
+    ".": "1.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..eb336aa
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,17 @@
+# Changelog
+
+## [1.0.0](https://github.com/punica-ai/punica/compare/v0.3.1...v1.0.0) (2023-12-28)
+
+
+### ⚠ BREAKING CHANGES
+
+* automate package release
+
+### Features
+
+* automate package release ([31e2663](https://github.com/punica-ai/punica/commit/31e2663220537f4b10d65ada1a29936f04fbf953))
+
+
+### Bug Fixes
+
+* **pkg:** Include different sets of files for sdist and wheel ([0ef4f7b](https://github.com/punica-ai/punica/commit/0ef4f7b7a148048908f6895aef885ee188789cde))
diff --git a/version.txt b/version.txt
index 9e11b32..3eefcb9 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.3.1
+1.0.0