diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7adf5a84..cdec1f101 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -45,6 +45,7 @@ Tantivy 0.26 (Unreleased)
 - Add `seek_danger` on `DocSet` for more efficient intersections [#2538](https://github.com/quickwit-oss/tantivy/pull/2538) [#2810](https://github.com/quickwit-oss/tantivy/pull/2810)(@PSeitz @stuhood @fulmicoton)
 - Skip column traversal in `RangeDocSet` when query range does not overlap with column bounds [#2783](https://github.com/quickwit-oss/tantivy/pull/2783)(@ChangRui-Ryan)
 - Speed up exclude queries by supporting multiple excluded `DocSet`s without intermediate union [#2825](https://github.com/quickwit-oss/tantivy/pull/2825)(@PSeitz)
+- Improve union performance for non-score unions with `fill_buffer` and optimized `TinySet` [#2863](https://github.com/quickwit-oss/tantivy/pull/2863)(@PSeitz)
 
 Tantivy 0.25
 ================================
diff --git a/Cargo.toml b/Cargo.toml
index 2e17f1738..02369afbf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tantivy"
-version = "0.26.0"
+version = "0.25.0"
 authors = ["Paul Masurel <paul.masurel@gmail.com>"]
 license = "MIT"
 categories = ["database-implementations", "data-structures"]