diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index adc914e..0fe4350 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,6 @@
+### 2.1.1
+* Updated to Aardvark.Rendering 5.4 and Aardvark.UI 5.4
+
 ### 2.1.0
 * Updated to Aardvark.Rendering 5.3 and Aardvark.UI 5.3
 * Updated to net6.0 projects
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