diff --git a/CHANGELOG.md b/CHANGELOG.md
index de5419e..b5a5e1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,15 @@
 # cacher-v2
 
+<a name="v2.8.2"></a>
+## [v2.8.2] - 2025-08-27
+### Fixes
+- use pipeline without tx
+
+
 <a name="v2.8.1"></a>
 ## [v2.8.1] - 2025-08-21
 ### Other Improvements
-- downgrade go-redis version to v9.11.0
+- downgrade go-redis version to v9.11.0 ([#61](https://github.com/kumparan/cacher/issues/61))
 
 
 <a name="v2.8.0"></a>
@@ -618,7 +624,8 @@
 <a name="v1.0.0"></a>
 ## v1.0.0 - 2019-04-01
 
-[Unreleased]: https://github.com/kumparan/cacher/compare/v2.8.1...HEAD
+[Unreleased]: https://github.com/kumparan/cacher/compare/v2.8.2...HEAD
+[v2.8.2]: https://github.com/kumparan/cacher/compare/v2.8.1...v2.8.2
 [v2.8.1]: https://github.com/kumparan/cacher/compare/v2.8.0...v2.8.1
 [v2.8.0]: https://github.com/kumparan/cacher/compare/v1.20.0...v2.8.0
 [v1.20.0]: https://github.com/kumparan/cacher/compare/v1.19.0...v1.20.0
diff --git a/VERSION b/VERSION
index 9d6007f..dde70c4 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-cacher@v2.8.1
+cacher@v2.8.2
diff --git a/keeper.go b/keeper.go
index 52d6d32..200942a 100644
--- a/keeper.go
+++ b/keeper.go
@@ -562,7 +562,10 @@ func (k *keeper) StoreMultiHashMembers(ctx context.Context, mapIdentifiersToMemb
 		return nil
 	}
 
-	pipeline := k.connPool.TxPipeline()
+	// using Pipeline instead of TxPipeline because TxPipeline force operation on multiple keys
+	// to be done in 1 cluster slot, so it doesn't support multiple slot operation
+	// reference: https://stackoverflow.com/a/38042895
+	pipeline := k.connPool.Pipeline()
 	for i, items := range mapIdentifiersToMembers {
 		for _, v := range items {
 			err = pipeline.HSet(ctx, i, v.GetKey(), v.GetValue()).Err()