diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6c464b6..55ea202 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -38,3 +38,7 @@ WARNING: This update may break previous registrations! This is because we fixed
 
 - Fixes the ordering of keys encoded in CBOR maps to be canonical ordering. They previously were not ordered in any particular way and caused issues for Chrome. #170
 - Fixes CTAP2 implementation to accept credential IDs created by the CTAP1 implementation. So registering with U2F and later authenticating with FIDO2 should work.
+
+## [2.2.1] - 2019-04-23
+
+- This minor release fixes some small issues. #179, #182
diff --git a/STABLE_VERSION b/STABLE_VERSION
index ccbccc3..c043eea 100644
--- a/STABLE_VERSION
+++ b/STABLE_VERSION
@@ -1 +1 @@
-2.2.0
+2.2.1