diff --git a/CHANGELOG.md b/CHANGELOG.md
index 654e83fe2..e57ce9e84 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 ### New Features
 - feature: `Llama2InstructModel` to support llama-2 models in Aleph Alpha API
 - feature: `Llama3InstructModel` to support llama-3 models in Aleph Alpha API
+- feature: `ExpandChunks`-task caches chunked documents by ID
 
 ### Fixes