diff --git a/changelog.md b/changelog.md
new file mode 100644
index 0000000..156aeab
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,13 @@
+Telegram channel:
+https://t.me/playintegrityfix
+
+Device verdict should pass by default.
+If not, try removing /data/adb/pif.json file.
+
+Donations:
+https://www.paypal.com/paypalme/chiteroman
+
+# v16.6
+
+- Change fingerprint to fix RCS
+- Misc improvements
\ No newline at end of file
diff --git a/update.json b/update.json
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--- /dev/null
+++ b/update.json
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+{
+  "version": "v16.6",
+  "versionCode": 16600,
+  "zipUrl": "https://github.com/chiteroman/PlayIntegrityFix/releases/download/v16.6/PlayIntegrityFix_v16.6.zip",
+  "changelog": "https://raw.githubusercontent.com/chiteroman/PlayIntegrityFix/main/changelog.md"
+}