diff --git a/dio/CHANGELOG.md b/dio/CHANGELOG.md
index 92faec8c0..ee8bf11a1 100644
--- a/dio/CHANGELOG.md
+++ b/dio/CHANGELOG.md
@@ -5,6 +5,10 @@ See the [Migration Guide][] for the complete breaking changes list.**
 
 ## Unreleased
 
+*None.*
+
+## 5.6.0
+
 - Supports the WASM environment. Users should upgrade the adapter with
   `dart pub upgrade` or `flutter pub upgrade` to use the WASM-supported version.
 
diff --git a/dio/pubspec.yaml b/dio/pubspec.yaml
index 0330e27ea..21360a352 100644
--- a/dio/pubspec.yaml
+++ b/dio/pubspec.yaml
@@ -1,5 +1,5 @@
 name: dio
-version: 5.5.0+1
+version: 5.6.0
 
 description: |
   A powerful HTTP networking package,