diff --git a/CHANGELOG.md b/CHANGELOG.md
index 297c53d..2e85e25 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+2.8.9
+---
+
+- Add DayOfWeek instance for GHC >= 8.8.4 (see [#250](https://github.com/GetShopTV/swagger2/pull/250));
+
 2.8.8
 ---
 
diff --git a/swagger2.cabal b/swagger2.cabal
index 3166a5d..5452b49 100644
--- a/swagger2.cabal
+++ b/swagger2.cabal
@@ -1,6 +1,6 @@
 cabal-version:       >=1.10
 name:                swagger2
-version:             2.8.8
+version:             2.8.9
 
 synopsis:            Swagger 2.0 data model
 category:            Web, Swagger