diff --git a/dev/environment-dev.yml b/dev/environment-dev.yml
index bf0cf3afdd..e73f71253c 100644
--- a/dev/environment-dev.yml
+++ b/dev/environment-dev.yml
@@ -32,6 +32,7 @@ dependencies:
   - requests
   - sel(win): pywin32
   - sel(win): menuinst
+  - conda<23.10  # Conda 23.10 ships libmamba with conda-libmamba-solver
   - conda-index
   - conda-content-trust
   - conda-package-handling