rev to a dev version
diff --git a/pkgs/pool/CHANGELOG.md b/pkgs/pool/CHANGELOG.md
index 9e0a5a5..c60ce08 100644
--- a/pkgs/pool/CHANGELOG.md
+++ b/pkgs/pool/CHANGELOG.md
@@ -1,3 +1,5 @@
+## 1.5.1-dev
+
## 1.5.0
* Stable release for null safety.
diff --git a/pkgs/pool/pubspec.yaml b/pkgs/pool/pubspec.yaml
index feb4902..5f50eb0 100644
--- a/pkgs/pool/pubspec.yaml
+++ b/pkgs/pool/pubspec.yaml
@@ -1,5 +1,5 @@
name: pool
-version: 1.5.0
+version: 1.5.1-dev
description: >-
Manage a finite pool of resources.
Useful for controlling concurrent file system or network requests.