diff --git a/conda/meta.yaml b/conda/meta.yaml
index 69218db851cbea4dbb89b8a88c19fba41064dd94..d2f3d75ff32a3ac1df5899586ee50db365723d5a 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -25,15 +25,13 @@ requirements:
     - six {{ six }}
     - numpy
     - bob.extension
-    - bob.bio.base
-    - bob.bio.video
     - bob.pad.face
-    - bob.learn.pytorch
+    - bob.learn.pytorch  # [linux]
   run:
     - python
     - setuptools
     - six {{ six }}
-    - numpy
+    - {{ pin_compatible('numpy') }}
 
 test:
   imports:
@@ -51,7 +49,6 @@ test:
     - coverage
     - sphinx
     - sphinx_rtd_theme
-    - gridtk
     # extend this list with further test-time-only dependencies
 
 about:
@@ -59,3 +56,5 @@ about:
   license: GNU General Public License v3 (GPLv3)
   summary: Implements tools for reproducing Multi Channel CNN based face PAD experiments.
   license_family: GPL
+
+