diff --git a/CHANGES.md b/CHANGES.md
index a6435924b..b64ae0b5a 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,7 @@
+## Changes in 0.7.1.dev1 (in development)
+
+* Added missing requirements `requests` and `urllib3`.
+
 ## Changes in 0.7.0
 
 * Introduced abstract base class `xcube.util.jsonschema.JsonObject` which