diff --git a/conda/recipes/cudf-polars/recipe.yaml b/conda/recipes/cudf-polars/recipe.yaml
index 52ac74c7c8b..a4a9441187c 100644
--- a/conda/recipes/cudf-polars/recipe.yaml
+++ b/conda/recipes/cudf-polars/recipe.yaml
@@ -43,6 +43,8 @@ requirements:
     - if: cuda_major == "12"
       then: cuda-python >=12.9.2,<13.0
       else: cuda-python >=13.0.1,<14.0
+  run_constraints:
+    - ray-default >=2.55.1
   ignore_run_exports:
     by_name:
       - cuda-version