diff --git a/README.md b/README.md
index 2976ec8..f78559a 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,8 @@ Collection of notes regarding instruments, configuration and general usage.
 This is mirrored on `/sf/cristallina/config/documentation`. 
 
 ## Changelog for Cristallina computational issues
+- 18.12.2023:
+  - updated environment: analysis_edge for jupyter_collaboration 2.0.0. 
 - 28.11.2023:
    - updated environments: analysis_edge, analysis_forge and slic. 
 - 13.11.2023: