diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 40ff9be6..c559e207 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -703,3 +703,51 @@ jobs:
         run: |
           cd ../boost-root/__build__
           ctest --output-on-failure --no-tests=error
+
+  MSYS2:
+    defaults:
+      run:
+        shell: msys2 {0}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - { sys: MINGW32, compiler: gcc, cxxstd: '03,11,17,20', cxxflags: "-fexcess-precision=fast" }
+          - { sys: MINGW64, compiler: gcc, cxxstd: '03,11,17,20', cxxflags: "-fexcess-precision=fast" }
+
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup MSYS2 environment
+        uses: msys2/setup-msys2@v2
+        with:
+          msystem: ${{matrix.sys}}
+          update: true
+          install: git python
+          pacboy: gcc:p cmake:p ninja:p
+
+      - name: Fetch Boost.CI
+        uses: actions/checkout@v3
+        with:
+          repository: boostorg/boost-ci
+          ref: master
+          path: boost-ci-cloned
+      - name: Get CI scripts folder
+        run: |
+          # Copy ci folder if not testing Boost.CI
+          [[ "$GITHUB_REPOSITORY" =~ "boost-ci" ]] || cp -r boost-ci-cloned/ci .
+          rm -rf boost-ci-cloned
+
+      - name: Setup Boost
+        env:
+          B2_COMPILER: ${{matrix.compiler}}
+          B2_CXXSTD: ${{matrix.cxxstd}}
+          B2_SANITIZE: ${{matrix.sanitize}}
+          B2_STDLIB: ${{matrix.stdlib}}
+          B2_CXXFLAGS: ${{matrix.cxxflags}}
+        run: ci/github/install.sh
+
+      - name: Run tests
+        run: ci/build.sh