diff --git a/package/rattler-build/recipe.yaml b/package/rattler-build/recipe.yaml
index 1b86e86104..3ee55fb8bf 100644
--- a/package/rattler-build/recipe.yaml
+++ b/package/rattler-build/recipe.yaml
@@ -168,7 +168,7 @@ requirements:
     - requests
     - scipy
     - sympy
-    - typing_extension
+    - typing_extensions
     - vtk
     - xlutils