diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4dff17b3..e1474c29 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -73,7 +73,9 @@ jobs:
     runs-on:              ${{ matrix.os }}
     steps:
     - uses:               actions/checkout@v1
-    - uses:               conda-incubator/setup-miniconda@v2
+    - uses:               conda-incubator/setup-miniconda@v3
+      with:
+          auto-activate-base: true
     - name:               setup environment
       run:                bash -l UnitTests/before_install.sh
       env:
diff --git a/UnitTests/run_cmake.sh b/UnitTests/run_cmake.sh
index 5c324b2e..81fdbe3e 100644
--- a/UnitTests/run_cmake.sh
+++ b/UnitTests/run_cmake.sh
@@ -7,8 +7,7 @@ fi
 cd Build
 
 if [[ "$TESTOS" == "OSX" ]]; then
-  cmake -G Ninja .. -DCMAKE_TOOLCHAIN_FILE=../Targets/Mac-python3.cmake \
-    -DCMAKE_BUILD_TYPE=Release ;
+  cmake -G Ninja .. -DCMAKE_BUILD_TYPE=Release ;
 else
   if [[ "${NOIALLGATHER:-0}" -eq 1 ]]; then
     cmake -G Ninja .. -DCMAKE_BUILD_TYPE=Debug -DNOIALLGATHER=YES;