diff --git a/spine-flutter/CHANGELOG.md b/spine-flutter/CHANGELOG.md
index 267a5711b..28a8b3e04 100644
--- a/spine-flutter/CHANGELOG.md
+++ b/spine-flutter/CHANGELOG.md
@@ -1,3 +1,6 @@
+# 4.2.35
+ - Port of commit f1e0f0f: Fixed animation not being mixed out in some cases.
+
 # 4.2.34
 - Support latest emscripten SDK (4.0.6+) via update of web_ffi
 
diff --git a/spine-flutter/lib/assets/libspine_flutter.wasm b/spine-flutter/lib/assets/libspine_flutter.wasm
index 8645b6ddc..fa3877811 100755
Binary files a/spine-flutter/lib/assets/libspine_flutter.wasm and b/spine-flutter/lib/assets/libspine_flutter.wasm differ
diff --git a/spine-flutter/pubspec.yaml b/spine-flutter/pubspec.yaml
index 1dc1cfcb0..bd0cbef01 100644
--- a/spine-flutter/pubspec.yaml
+++ b/spine-flutter/pubspec.yaml
@@ -1,6 +1,6 @@
 name: spine_flutter
 description: The official Spine Flutter Runtime to load, display and interact with Spine animations.
-version: 4.2.34
+version: 4.2.35
 homepage: https://esotericsoftware.com
 repository: https://github.com/esotericsoftware/spine-runtimes
 issue_tracker: https://github.com/esotericsoftware/spine-runtimes/issues