diff --git a/release-notes.md b/release-notes.md
index 99557cea..c047ef38 100644
--- a/release-notes.md
+++ b/release-notes.md
@@ -1,3 +1,10 @@
+**2.2.1**
+---------
+
+* Custom equality for BatchMerkleProof
+* Bugfix for BatchMerkleProof (reckless .head call) 
+* scmInfo fix in build.sbt
+
 **2.2.0**
 ---------