diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..9d6a7d0
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,8 @@
+# Changelog
+
+## 1.0.0 (2026-03-31)
+
+
+### Bug Fixes
+
+* clarify Deno compatibility guidance in README ([#2](https://github.com/Lojhan/poku-react-testing/issues/2)) ([ee28792](https://github.com/Lojhan/poku-react-testing/commit/ee28792965b9cc9dacc8bee2fc96a5f84088f2d1))
diff --git a/package-lock.json b/package-lock.json
index 69c724c..9c3665d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "poku-react-testing",
-  "version": "0.1.0",
+  "version": "1.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "poku-react-testing",
-      "version": "0.1.0",
+      "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
         "@testing-library/dom": "^10.4.1"
diff --git a/package.json b/package.json
index 8a03707..b191f63 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "poku-react-testing",
-  "version": "0.1.0",
+  "version": "1.0.0",
   "private": false,
   "description": "React testing helpers and Poku plugin for DOM-backed component tests.",
   "type": "module",