diff --git a/.github/cspell.json b/.github/cspell.json
index 9ce6b7fe0..91ea453e7 100644
--- a/.github/cspell.json
+++ b/.github/cspell.json
@@ -18,6 +18,7 @@
   "words": [
     "doctl",
     "endtemplate",
+    "expando",
     "hotreload",
     "intelli",
     "sigint",
diff --git a/packages/dart_frog/CHANGELOG.md b/packages/dart_frog/CHANGELOG.md
index 52df7ac6e..61b2f33c1 100644
--- a/packages/dart_frog/CHANGELOG.md
+++ b/packages/dart_frog/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 1.2.6
+
+- fix: revert `Expando` perf optimization ([#1908](https://github.com/dart-frog-dev/dart_frog/pull/1908))
+  - perf optimization caused a regression when calling `request.read` multiple times across a middleware/handler gap
+
 # 1.2.5
 
 - feat: add `defaultDocument` to `createStaticFileHandler` ([#1901](https://github.com/dart-frog-dev/dart_frog/pull/1901))
diff --git a/packages/dart_frog/pubspec.yaml b/packages/dart_frog/pubspec.yaml
index c389e8b4a..7b8af776d 100644
--- a/packages/dart_frog/pubspec.yaml
+++ b/packages/dart_frog/pubspec.yaml
@@ -1,6 +1,6 @@
 name: dart_frog
 description: The official runtime for Dart Frog — a fast, minimalistic backend framework for Dart.
-version: 1.2.5
+version: 1.2.6
 homepage: https://dart-frog.dev
 repository: https://github.com/dart-frog-dev/dart_frog
 issue_tracker: https://github.com/dart-frog-dev/dart_frog/issues