diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7528eb2..023c716 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.7.0](https://github.com/google/slo-generator/compare/v2.6.0...v2.7.0) (2026-02-25)
+
+
+### Features
+
+* **opensearch:** use `count` endpoint instead of `search` endpoint to optimize performance ([#555](https://github.com/google/slo-generator/issues/555)) ([84266b6](https://github.com/google/slo-generator/commit/84266b6209fd2a91ba74177b45e6c06b09791603))
+
 ## [2.6.0](https://github.com/google/slo-generator/compare/v2.5.2...v2.6.0) (2024-02-16)
 
 
diff --git a/setup.cfg b/setup.cfg
index d0534b4..fc5ba00 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,7 +16,7 @@
 
 [metadata]
 name = slo-generator
-version = 2.6.0
+version = 2.7.0
 author = Google Inc.
 author_email = olivier.cervello@gmail.com
 maintainer = Laurent VAYLET