use wip instead

pkgs/pool/CHANGELOG.md

diff --git a/pkgs/pool/CHANGELOG.md b/pkgs/pool/CHANGELOG.md
index e9f3791..56424fc 100644
--- a/pkgs/pool/CHANGELOG.md
+++ b/pkgs/pool/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 2.0.0
+## 1.5.2-wip
 
 * Require Dart 3.4.
 * Move to `dart-lang/tools` monorepo.

pkgs/pool/pubspec.yaml

diff --git a/pkgs/pool/pubspec.yaml b/pkgs/pool/pubspec.yaml
index 7e62712..a205b74 100644
--- a/pkgs/pool/pubspec.yaml
+++ b/pkgs/pool/pubspec.yaml
@@ -1,5 +1,5 @@
 name: pool
-version: 2.0.0
+version: 1.5.2-wip
 description: >-
   Manage a finite pool of resources.
   Useful for controlling concurrent file system or network requests.