diff --git a/scripts/conda-cpu/kaldifeat/meta.yaml b/scripts/conda-cpu/kaldifeat/meta.yaml
index 5c0f6ad..df756f3 100644
--- a/scripts/conda-cpu/kaldifeat/meta.yaml
+++ b/scripts/conda-cpu/kaldifeat/meta.yaml
@@ -8,7 +8,9 @@ source:
 build:
   number: 0
   string: cpu_py{{ environ.get('KALDIFEAT_PYTHON_VERSION') }}_torch{{ environ.get('KALDIFEAT_TORCH_VERSION') }}
-  script: {{ PYTHON }} setup.py install --single-version-externally-managed --record=record.txt
+  script: conda install -y -q -c pytorch pytorch={{ environ.get('KALDIFEAT_TORCH_VERSION') }} cpuonly & {{ PYTHON }} setup.py install --single-version-externally-managed --record=record.txt
+  features:
+    - cpuonly # [not osx]
 
 requirements:
   build:
@@ -17,16 +19,15 @@ requirements:
 
   host:
     - anaconda-client
-    - conda-build
-    - cmake
+    - cmake=3.18
     - python
     - pytorch={{ environ.get('KALDIFEAT_TORCH_VERSION') }}
+    - gcc_linux-64=7 # [linux]
     - cpuonly
 
   run:
     - python
     - pytorch={{ environ.get('KALDIFEAT_TORCH_VERSION') }}
-    - numpy
 
 about:
   home: https://github.com/csukuangfj/kaldifeat