diff --git a/.github/workflows/choose_branch.yaml b/.github/workflows/choose_branch.yaml
index 3fad6756c..f1db46067 100644
--- a/.github/workflows/choose_branch.yaml
+++ b/.github/workflows/choose_branch.yaml
@@ -48,11 +48,6 @@ jobs:
       SIRE_SILENT_PHONEHOME: 1
       REPO: "${{ github.repository }}"
     steps:
-      #     Need to install and use VS 2017 for conda-compliant builds
-      - name: Set up Visual Studio 2017 Build Tools (required for Python modules)
-        run: |
-          choco install visualstudio2017-workload-vctools
-        if: matrix.platform.name == 'windows'
       #
       - uses: conda-incubator/setup-miniconda@v2
         with:
@@ -62,6 +57,11 @@ jobs:
           miniforge-version: latest
           miniforge-variant: Mambaforge
           use-mamba: true
+      #     Need to install and use VS 2017 for conda-compliant builds
+      - name: Set up Visual Studio 2017 Build Tools (required for Python modules)
+        run: |
+          mamba install -y -c conda-forge vs2017_win-64
+        if: matrix.platform.name == 'windows'
       #
       - name: Clone the desired branch
         run: git clone https://github.com/${{ env.REPO }} -b ${{ github.event.inputs.branch }} sire
diff --git a/.github/workflows/devel.yaml b/.github/workflows/devel.yaml
index a702e1bb0..f1f13e3b6 100644
--- a/.github/workflows/devel.yaml
+++ b/.github/workflows/devel.yaml
@@ -46,11 +46,6 @@ jobs:
       SIRE_SILENT_PHONEHOME: 1
       REPO: "${{ github.repository }}"
     steps:
-      #     Need to install and use VS 2017 for conda-compliant builds
-      - name: Set up Visual Studio 2017 Build Tools (required for Python modules)
-        run: |
-          choco install visualstudio2017-workload-vctools
-        if: matrix.platform.name == 'windows'
       #
       - uses: conda-incubator/setup-miniconda@v2
         with:
@@ -60,6 +55,11 @@ jobs:
           miniforge-version: latest
           miniforge-variant: Mambaforge
           use-mamba: true
+      #     Need to install and use VS 2017 for conda-compliant builds
+      - name: Set up Visual Studio 2017 Build Tools (required for Python modules)
+        run: |
+          mamba install -y -c conda-forge vs2017_win-64
+        if: matrix.platform.name == 'windows'
       #
       - name: Clone the devel branch (push to devel)
         run: git clone https://github.com/${{ env.REPO }} sire
diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 258c259ff..c1e86d7b6 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -39,11 +39,6 @@ jobs:
       SIRE_SILENT_PHONEHOME: 1
       REPO: "${{ github.event.pull_request.head.repo.full_name || github.repository }}"
     steps:
-      #     Need to install and use VS 2017 for conda-compliant builds
-      - name: Set up Visual Studio 2017 Build Tools (required for Python modules)
-        run: |
-          choco install visualstudio2017-workload-vctools
-        if: matrix.platform.name == 'windows'
       #
       - uses: conda-incubator/setup-miniconda@v2
         with:
@@ -53,6 +48,11 @@ jobs:
           miniforge-version: latest
           miniforge-variant: Mambaforge
           use-mamba: true
+      #     Need to install and use VS 2017 for conda-compliant builds
+      - name: Set up Visual Studio 2017 Build Tools (required for Python modules)
+        run: |
+          mamba install -y -c conda-forge vs2017_win-64
+        if: matrix.platform.name == 'windows'
       #
       - name: Clone the main branch (push to main)
         run: git clone -b main https://github.com/openbiosim/sire sire
diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index 7ecf06e54..af0952632 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -45,11 +45,6 @@ jobs:
       SIRE_SILENT_PHONEHOME: 1
       REPO: "${{ github.event.pull_request.head.repo.full_name || github.repository }}"
     steps:
-      #     Need to install and use VS 2017 for conda-compliant builds
-      - name: Set up Visual Studio 2017 Build Tools (required for Python modules)
-        run: |
-          choco install visualstudio2017-workload-vctools
-        if: matrix.platform.name == 'windows'
       #
       - uses: conda-incubator/setup-miniconda@v2
         with:
@@ -59,6 +54,11 @@ jobs:
           miniforge-version: latest
           miniforge-variant: Mambaforge
           use-mamba: true
+      #     Need to install and use VS 2017 for conda-compliant builds
+      - name: Set up Visual Studio 2017 Build Tools (required for Python modules)
+        run: |
+          mamba install -y -c conda-forge vs2017_win-64
+        if: matrix.platform.name == 'windows'
       #
       - name: Clone the feature branch (pull request to devel)
         run: git clone -b ${{ github.head_ref }} --single-branch https://github.com/${{ env.REPO }} sire