diff --git a/README.md b/README.md
index f2c45dc..2e2ee7c 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
+- 15.02.2024: 
+  - updated analysis_edge, analysis_forge, slic and cristallina_diagnostics environments. Now on Jupyterlab 4.0.12 and numba 0.59. Still waiting for collaboration 2.0.2 which was released 2h ago.
 - 08.01.2024:
   - updated analysis_edge, analysis_forge, flet, slic environments. Should improve collaboration features, only small changes otherwise.
   - checked on general RHEL8 update status. This failed on several consoles due to not enough space on /var.