update singa-cpu and singa-gpu conda meta.yaml
diff --git a/tool/conda/gpu/meta.yaml b/tool/conda/gpu/meta.yaml
index 58ef499..68df6b3 100644
--- a/tool/conda/gpu/meta.yaml
+++ b/tool/conda/gpu/meta.yaml
@@ -26,7 +26,7 @@
 
 requirements:
   run:
-    - singa {{ environ.get('GIT_DESCRIBE_TAG') | replace("-", ".") }} cudnn7.6.5_cuda10.0_py{{ py }}
+    - singa {{ environ.get('GIT_DESCRIBE_TAG') | replace("-", ".") }} cudnn7.6.5_cuda10.2_nccl2.6.4.1_mpich3.3.2_py{{ py }}
 
 build:
   number: 0