diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2eb21511..b5bd89c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## Unreleased
 
+### Changed
+
+- Improved error reporting and documentation for old GDAL versions.
+  GDAL 3.1 is required to read and write Cloud Optimized Geotiffs.
+  ([#194](https://github.com/stac-utils/stactools/pull/194))
 ### Fixed
 
 - ReadTheDocs ([#190](https://github.com/stac-utils/stactools/pull/190))