diff --git a/CHANGELOG.md b/CHANGELOG.md
index eb877d8..13a764d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Version history
 
+## 0.8.1
+
+- Updates recommended RKorAPClient version to 0.8.1
+- fixed rare frequencyQuery incompatibility with outdated KorAP instances (see KorAP/Kustvakt#668)
+
 ## 0.8.0
 
 - Updates recommended RKorAPClient version to 0.8.0
diff --git a/pyproject.toml b/pyproject.toml
index 325002c..6487812 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "KorAPClient"
-version = "0.8.0.9000"
+version = "0.8.1"
 description = "Client package to access KorAP's web service API"
 authors = [
     {name = "Marc Kupietz",email = "kupietz@ids-mannheim.de"},