diff --git a/conda-recipe/meta.yaml b/conda-recipe/meta.yaml
index fba1a87567..fb9edea8bf 100644
--- a/conda-recipe/meta.yaml
+++ b/conda-recipe/meta.yaml
@@ -51,7 +51,7 @@ requirements:
         - sphinxcontrib-bibtex
         - curio >=1.0
         - pineappl >=0.5.8
-        - eko >=0.13.2,<0.14
+        - eko >=0.13.4,<0.14
         - banana-hep >=0.6.8
         - fiatlux