diff --git a/conda/conda_build_config.yaml b/conda/conda_build_config.yaml
index 35246cd..1f026b6 100644
--- a/conda/conda_build_config.yaml
+++ b/conda/conda_build_config.yaml
@@ -1,11 +1,10 @@
 python:
+  - 3.9
   - 3.8
+  - 3.7
 
 numpy:
-  - 1.20
+  - 1.19
 
 gsl:
   - 2.4
-
-pin_run_as_build:
-  gsl: x.x
diff --git a/conda/meta.yaml b/conda/meta.yaml
index 0993d98..a91f788 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -1,6 +1,6 @@
 package:
   name: cosmotool
-  version: "1.2.2"
+  version: "1.2.3"
 
 source:
   git_rev: 03033b6
@@ -8,42 +8,40 @@ source:
 
 requirements:
   build:
-    - numpy {{ numpy }}
+    - python                                 # [build_platform != target_platform]
+    - cross-python_{{ target_platform }}     # [build_platform != target_platform]
+    - cython                                 # [build_platform != target_platform]
+    - numpy                                  # [build_platform != target_platform]
     - {{ compiler('c') }}
     - {{ compiler('cxx') }}
-    - python {{ python }}
-    - setuptools
+
+  host:
+    - python
+    - pip
+    - numpy
+    - pkgconfig
+    - numexpr
     - cython
     - healpy
-    - numexpr
     - cffi
     - pyfftw
     - gsl {{ gsl }}
     - h5py
-
-  host:
-    - python
-    - numexpr
-    - cython
-    - healpy
-    - cffi
-    - pyfftw
-    - gsl
-    - h5py
-    - numpy
-
   run:
-    - numpy
     - python
+    - {{ pin_compatible('numpy') }}
     - healpy
     - numexpr
     - cffi
     - pyfftw
     - h5py
+    - {{ pin_compatible('gsl') }}
 
 test:
   imports:
     - cosmotool
+  requires:
+    - pip
 
 about:
   home: https://bitbucket.org/glavaux/cosmotool