diff --git a/.github/workflows/mypy.yml b/.github/workflows/mypy.yml
index ea5b7e67d6e..7760a94b85b 100644
--- a/.github/workflows/mypy.yml
+++ b/.github/workflows/mypy.yml
@@ -34,9 +34,8 @@ jobs:
             ~\AppData\Local\pip\Cache
           key: ${{ runner.os }}-build-${{ matrix.python-version }}-${{ env.CACHE_NUMBER }}-${{
             hashFiles('requirements.txt') }}
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
-          miniforge-variant: Mambaforge
           miniforge-version: latest
           mamba-version: "*"
           activate-environment: pymc-test
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3ad527204fd..5e2a084c448 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -164,9 +164,8 @@ jobs:
             ~\AppData\Local\pip\Cache
           key: ${{ runner.os }}-build-${{ matrix.python-version }}-${{ env.CACHE_NUMBER }}-${{
             hashFiles('requirements.txt') }}
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
-          miniforge-variant: Mambaforge
           miniforge-version: latest
           mamba-version: "*"
           activate-environment: pymc-test
@@ -240,9 +239,8 @@ jobs:
             ~\AppData\Local\pip\Cache
           key: ${{ runner.os }}-build-${{ matrix.python-version }}-${{ env.CACHE_NUMBER }}-${{
             hashFiles('requirements.txt') }}
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
-          miniforge-variant: Mambaforge
           miniforge-version: latest
           mamba-version: "*"
           activate-environment: pymc-test
@@ -324,14 +322,13 @@ jobs:
             ~\AppData\Local\pip\Cache
           key: ${{ runner.os }}-build-${{ matrix.python-version }}-${{ env.CACHE_NUMBER }}-${{
             hashFiles('requirements.txt') }}
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
-          miniforge-variant: Mambaforge
           miniforge-version: latest
           mamba-version: "*"
           activate-environment: pymc-test
           channel-priority: strict
-          environment-file: conda-envs/environment-test.yml
+          environment-file: conda-envs/environment-test-macos.yml
           python-version: ${{matrix.python-version}}
           use-mamba: true
           use-only-tar-bz2: false # IMPORTANT: This may break caching of conda packages! See https://github.com/conda-incubator/setup-miniconda/issues/267
@@ -393,9 +390,8 @@ jobs:
             ~\AppData\Local\pip\Cache
           key: ${{ runner.os }}-build-${{ matrix.python-version }}-${{ env.CACHE_NUMBER }}-${{
             hashFiles('requirements.txt') }}
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
-          miniforge-variant: Mambaforge
           miniforge-version: latest
           mamba-version: "*"
           activate-environment: pymc-test
@@ -462,9 +458,8 @@ jobs:
             ~\AppData\Local\pip\Cache
           key: ${{ runner.os }}-build-${{ matrix.python-version }}-${{ env.CACHE_NUMBER }}-${{
             hashFiles('requirements.txt') }}
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
-          miniforge-variant: Mambaforge
           miniforge-version: latest
           mamba-version: "*"
           activate-environment: pymc-test
diff --git a/conda-envs/environment-test-macos.yml b/conda-envs/environment-test-macos.yml
new file mode 100644
index 00000000000..7f476f06d00
--- /dev/null
+++ b/conda-envs/environment-test-macos.yml
@@ -0,0 +1,33 @@
+# "test" conda envs are used to set up our CI environment in GitHub actions
+name: pymc-test
+channels:
+- conda-forge
+- defaults
+dependencies:
+# Base dependencies
+- arviz>=0.13.0
+- cachetools>=4.2.1
+- cloudpickle
+- h5py>=2.7
+- jax
+- libblas=*=*accelerate
+- numpy>=1.15.0
+- pandas>=0.24.0
+- pip
+- pytensor>=2.26.2,<2.27
+- python-graphviz
+- networkx
+- rich>=13.7.1
+- scipy>=1.4.1
+- typing-extensions>=3.7.4
+- threadpoolctl>=3.1.0
+# Extra dependencies for testing
+- ipython>=7.16
+- pre-commit>=2.8.0
+- pytest-cov>=2.5
+- pytest>=3.0
+- mypy=1.5.1
+- types-cachetools
+- pip:
+  - numdifftools>=0.9.40
+  - mcbackend>=0.4.0