diff --git a/RELEASES.md b/RELEASES.md
index f0b140dec7f68af21f8a26205fad3d68735c809c..f2e2fe89752c4ebe2889c21773090178f8e87a25 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -6,6 +6,7 @@
 * Added the TensorFlow benchmark
 * Alya ...
 * ...
+* CP2K: Updated to CP2K version 8.1 and updated build instructions.
 * GPAW: Updated the medium and large benchmark cases to work with GPAW 20.1.0/20.10.0
   and revised the build and run instructions as they have changed for these versions.
 * ...