diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 38140d443896dda90b28a35b138978d601242196..2ce618b95b11fc9104a157469d0935aec48d114d 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -24,6 +24,7 @@ requirements:
     - affine
     - networkx
     - scipy
+    - certifi
   run:
     - python
     - setuptools
@@ -39,6 +40,7 @@ requirements:
     - affine
     - networkx
     - scipy
+    - certifi
 
 test:
   imports: