diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 52aacc0a..93db2c5d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -136,5 +136,5 @@ jobs:
         cd "$GITHUB_WORKSPACE"
         [ ${{ matrix.os }} = macos-latest ] && export CC=/usr/bin/clang
         echo foo: ${{ matrix.os }}
-        cmake -Bbuild
-        cmake --build build -j -t install
+        /Users/runner/miniconda3/envs/radev/bin/cmake -Bbuild
+        /Users/runner/miniconda3/envs/radev/bin/cmake --build build -j -t install
diff --git a/environment.yml b/environment.yml
index 2f31e1d7..683236b2 100644
--- a/environment.yml
+++ b/environment.yml
@@ -27,3 +27,4 @@ dependencies:
   - funcsigs=1.0
   - vtk=9.0
   - docopt=0.6
+  - cmake