diff --git a/conda-recipes/pcmdi_metrics/meta.yaml b/conda-recipes/pcmdi_metrics/meta.yaml
index eb3216199..d8cb1d67f 100644
--- a/conda-recipes/pcmdi_metrics/meta.yaml
+++ b/conda-recipes/pcmdi_metrics/meta.yaml
@@ -16,9 +16,9 @@ requirements:
     - setuptools
     - numpy <=1.9.2
   run:
-    - vcs
+    - vcs >=2.6
     - vcsaddons
-    - cdms2
+    - cdms2 >=2.6
     - genutil
     - cdutil
     - unidata