diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..370ed43
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,9 @@
+# k-toolbox change log
+
+## Version 0.13.0
+
+- feat: add blob support to uniqueCount (2a0c155)
+
+## Version 0.12.0
+
+- feat: add JSON support for blob (ad680c9)
diff --git a/deno.json b/deno.json
index 81ed404..0bf9a0d 100644
--- a/deno.json
+++ b/deno.json
@@ -1,6 +1,6 @@
 {
   "name": "@kitsonk/kv-toolbox",
-  "version": "0.12.0",
+  "version": "0.13.0",
   "exports": {
     "./batched_atomic": "./batched_atomic.ts",
     "./blob": "./blob.ts",