diff --git a/Cargo.lock b/Cargo.lock
index 56d6506..8899a41 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "adler"
@@ -743,7 +743,7 @@ dependencies = [
 
 [[package]]
 name = "metriken-core"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "linkme",
  "metriken",
diff --git a/metriken-core/CHANGELOG.md b/metriken-core/CHANGELOG.md
new file mode 100644
index 0000000..f6019b5
--- /dev/null
+++ b/metriken-core/CHANGELOG.md
@@ -0,0 +1,15 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## Unreleased
+
+## 0.1.2
+### Added
+- Add `Metric::provide` method and `request_[ref|value]` APIs.
+
+## 0.1.1
+metriken-core versions older than 0.1.1 did not have changelogs.
diff --git a/metriken-core/Cargo.toml b/metriken-core/Cargo.toml
index dbd7d53..324b0bf 100644
--- a/metriken-core/Cargo.toml
+++ b/metriken-core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "metriken-core"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2021"
 authors = [
     "Brian Martin <brian@iop.systems>",