diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 54e8269..1a67b06 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -28,7 +28,7 @@ jobs:
             gcc-version: "9"
             cdt-name: cos7
 
-          - name: MacOS Intel CPU OpenCL Python 3.10
+          - name: MacOS ARM Python 3.10
             python-version: "3.10"
             os: macos-latest
             CMAKE_FLAGS: ""
@@ -50,7 +50,8 @@ jobs:
           activate-environment: build
           environment-file: devtools/conda-envs/build-${{ matrix.os }}.yml
           auto-activate-base: false
-          channels: conda-forge
+          miniforge-variant: Mambaforge
+          use-mamba: true
 
       - name: "Set SDK on MacOS (if needed)"
         if: startsWith(matrix.os, 'macos')
diff --git a/devtools/conda-envs/build-macos-latest.yml b/devtools/conda-envs/build-macos-latest.yml
index 56ef8f2..30a2d9a 100644
--- a/devtools/conda-envs/build-macos-latest.yml
+++ b/devtools/conda-envs/build-macos-latest.yml
@@ -14,5 +14,6 @@ dependencies:
 - xtb
 - khronos-opencl-icd-loader
 - pocl
+- importlib_metadata
 # test
 - pytest
diff --git a/devtools/conda-envs/build-ubuntu-latest.yml b/devtools/conda-envs/build-ubuntu-latest.yml
index ff2f11b..f924d0a 100644
--- a/devtools/conda-envs/build-ubuntu-latest.yml
+++ b/devtools/conda-envs/build-ubuntu-latest.yml
@@ -20,5 +20,6 @@ dependencies:
 - xtb
 - ocl-icd
 - pocl
+- importlib_metadata
 # test
 - pytest