diff --git a/dev-environment.yml b/dev-environment.yml
index 30c7a89..2547bde 100644
--- a/dev-environment.yml
+++ b/dev-environment.yml
@@ -8,7 +8,7 @@ dependencies:
     - jupyterlite-core >=0.3,<0.6
     - jupytext
     - pydata-sphinx-theme
-    - micromamba
+    - micromamba=2.0.5
     - myst-parser
     - docutils
     - sphinx