1 files changed, 2 insertions, 0 deletions
diff --git a/calcos/meta.yaml b/calcos/meta.yaml
index d72ca71..377e0a5 100644
--- a/calcos/meta.yaml
+++ b/calcos/meta.yaml
@@ -14,6 +14,8 @@ package:
     version: {{ version }}
 requirements:
     build:
+    - d2to1
+    - stsci.distutils
     - astropy >=1.1
     - scipy
     - stsci.tools