diff --git a/.config/release-please-manifest.json b/.config/release-please-manifest.json
index e18ee07..d7a8735 100644
--- a/.config/release-please-manifest.json
+++ b/.config/release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.0.0"
+  ".": "0.1.0-alpha.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..4872fc8
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,17 @@
+# Changelog
+
+## 0.1.0-alpha.1 (2026-10-10)
+
+### Features
+
+- Add encoding for core types ([bc53766](https://github.com/git-ents/facet-git-tree/commit/bc53766b8c91fe89b7e7ee84d87ebbee5bb77c1c))
+- Add support for dynamic values ([bc53766](https://github.com/git-ents/facet-git-tree/commit/bc53766b8c91fe89b7e7ee84d87ebbee5bb77c1c))
+
+### Tests
+
+- Add initial unit tests ([bc53766](https://github.com/git-ents/facet-git-tree/commit/bc53766b8c91fe89b7e7ee84d87ebbee5bb77c1c))
+- Add initial integration tests ([bc53766](https://github.com/git-ents/facet-git-tree/commit/bc53766b8c91fe89b7e7ee84d87ebbee5bb77c1c))
+
+### Dependencies
+
+- Update facet dependencies ([73726b8](https://github.com/git-ents/facet-git-tree/commit/73726b88d0bdfe02e53f4f5ccaef6f4f3689d395))
diff --git a/Cargo.lock b/Cargo.lock
index b65effa..d3df679 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -291,7 +291,7 @@ dependencies = [
 
 [[package]]
 name = "facet-git-tree"
-version = "0.0.0"
+version = "0.1.0-alpha.1"
 dependencies = [
  "anyhow",
  "facet",
diff --git a/Cargo.toml b/Cargo.toml
index 97e4560..bc4972e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "facet-git-tree"
-version = "0.0.0"
+version = "0.1.0-alpha.1"
 edition = "2024"
 readme = "README.adoc"
 description = "Format crate for facet: serialize and deserialize facet values as Git tree objects"