diff --git a/.ci_support/linux_64_.yaml b/.ci_support/linux_64_.yaml
index 0da1c13..9964e05 100644
--- a/.ci_support/linux_64_.yaml
+++ b/.ci_support/linux_64_.yaml
@@ -6,3 +6,5 @@ channel_targets:
 - conda-forge main
 docker_image:
 - quay.io/condaforge/linux-anvil-x86_64:alma9
+python_min:
+- '3.9'