diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..7248123
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,14 @@
+# Changelog
+
+## 1.0.0 (2026-05-28)
+
+
+### Features
+
+* implement asdf plugin for ticgit ([8dc1317](https://github.com/bosmak/asdf-ticgit/commit/8dc131798ccc9b768ba2f6e6185f949275612547))
+
+
+### Bug Fixes
+
+* bump asdf-vm/actions from v3 to v4 ([e9ab5b6](https://github.com/bosmak/asdf-ticgit/commit/e9ab5b6d3ef392beb8dbfe704ae8505303d19910))
+* update README to reference bosmak/asdf-ticgit ([21b2fd9](https://github.com/bosmak/asdf-ticgit/commit/21b2fd9e44fa7aabdc9c43bbb256e54df0f9a29f))
diff --git a/version.txt b/version.txt
index 6e8bf73..3eefcb9 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.1.0
+1.0.0