diff --git a/environment.yml b/environment.yml
index 81d1b92c..192dc8d6 100644
--- a/environment.yml
+++ b/environment.yml
@@ -3,7 +3,7 @@ channels:
   - default
 dependencies:
   - python=3.13
-  - anaconda=2025.06
+  - anaconda=2025.12
   - pip
   - pip:
     - jupyter-book==1.0.4post1