diff --git a/MIGRATION.md b/MIGRATION.md
index 3201302..ca4fb33 100644
--- a/MIGRATION.md
+++ b/MIGRATION.md
@@ -1,6 +1,27 @@
 # Migration Guide
 
-Instructions on how to migrate between breaking versions.
+Instructions on how to migrate between versions with breaking changes.
+
+## v1.2.0 → v2.0.0
+
+### Ocean Protocol Components Requirements
+
+squid-js v2.0.0 only works against:
+
+- Aquarius v1.0.5+
+- Brizo v0.8.1+
+- Events Handler v0.4.4+
+- Keeper Contracts v0.13.2+
+
+### Service index removal from `ocean.assets.order`
+
+```js
+// old
+const agreementId = await ocean.assets.order(did, service.index, account)
+
+// NEW
+const agreementId = await ocean.assets.order(did, account)
+```
 
 ## v0.8.3 → v1.0.0