diff --git a/packages/substrate_metadata/CHANGELOG.md b/packages/substrate_metadata/CHANGELOG.md
index 2e3f064d..2ebc207e 100644
--- a/packages/substrate_metadata/CHANGELOG.md
+++ b/packages/substrate_metadata/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 1.2.2
+- Fixes `toJson()` when decoding BitArray`s
+
 ## 1.2.1
 - Fixes `UnmodifiableUint8ListView` missing on newer dart versions
 
diff --git a/packages/substrate_metadata/pubspec.yaml b/packages/substrate_metadata/pubspec.yaml
index 78d23aff..9a1929f8 100644
--- a/packages/substrate_metadata/pubspec.yaml
+++ b/packages/substrate_metadata/pubspec.yaml
@@ -1,6 +1,6 @@
 name: substrate_metadata
 description: Metadata types for Substrate runtimes
-version: 1.2.1
+version: 1.2.2
 homepage: https://github.com/rankanizer/polkadart/tree/main/packages/substrate_metadata
 repository: https://github.com/rankanizer/polkadart