diff --git a/.github/workflows/R_CDM_check_hades.yaml b/.github/workflows/R_CDM_check_hades.yaml
index 496114b..eed13ff 100644
--- a/.github/workflows/R_CDM_check_hades.yaml
+++ b/.github/workflows/R_CDM_check_hades.yaml
@@ -78,7 +78,7 @@ jobs:
         shell: Rscript {0}
         run: |
           python_packages <- 
-            c("polars", "tqdm", "connectorx", "pyarrow", "pynvml")
+            c("polars", "tqdm", "connectorx", "pyarrow", "pynvml", "numpy=1.26.4")
           
           library(reticulate)
           virtualenv_create("r-reticulate", Sys.which("python"))