diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1afd201..ce23ded 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,13 @@ SPDX-FileCopyrightText: 2020 Robin Krahl <robin.krahl@ireas.org>
 SPDX-License-Identifier: MIT
 -->
 
+# Unreleased
+
+- Add basic logging using `env_logger` that can be enabled by setting the
+  environment variable `RUST_LOG=info`.
+  - Add `env_logger` dependency in version 0.7.1.
+  - Add `log` dependency in version 0.4.11.
+
 # v0.1.1 (2020-07-24)
 
 This patch release fixes some minor issues with the documentation displayed on