diff --git a/knime-extension/recipe/meta.yaml b/knime-extension/recipe/meta.yaml
index 02df6de09..60d703e21 100644
--- a/knime-extension/recipe/meta.yaml
+++ b/knime-extension/recipe/meta.yaml
@@ -10,7 +10,7 @@ source:
 
 requirements:
   build:
-    - python=3.13
+    - python=3.9
     - pip
     - setuptools
     - build