diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 31c8467eb44fd2481453fac7ff3f28c99bfa43d1..5ec6e11b1393984ea02217002771d8b770dfce3a 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -19,6 +19,61 @@ on:
 
 jobs:
 
+  test-windows-8_8_3:
+    name: test ghc-8.8.3
+    runs-on: windows-latest
+    steps:
+      - name: Configure Chocolatey
+        run: choco source add -n mistuke -s https://www.myget.org/F/mistuke/api/v2
+      - name: Install msys2
+        run: choco install -y msys2
+      - name: Install Cabal
+        run: choco install -y cabal --version 3.0.0.0
+      - name: Install GHC
+        run: choco install -y ghc --version 8.6.5
+      - name: Set PATH
+        run: |
+          [Environment]::GetEnvironmentVariable("Path")
+          Write-Host "::add-path::C:\ProgramData\chocolatey\lib\cabal\tools\cabal-3.0.0.0"
+          Write-Host "::add-path::C:\ProgramData\chocolatey\lib\ghc\tools\ghc-8.8.3\bin"
+      - name: Print versions
+        run: |
+          ghc --version
+          cabal --version
+          cabal user-config init -a "http-transport: plain-http" -a "store-dir: C:\SR" -f -v3
+      - uses: actions/cache@v1
+        with:
+          path: C:\SR
+          key: linux-store-meta
+      - name: Update Hackage index
+        run: cabal v2-update
+      - uses: actions/checkout@v2
+      - name: make cabal-install-dev
+        run: runghc cabal-dev-scripts/src/Preprocessor.hs -o cabal-install/cabal-install.cabal -f CABAL_FLAG_LIB cabal-install/cabal-install.cabal.pp
+      # We cannot ask for all dependencies, but we can for Cabal.
+      - name: cabal v2-build Cabal --only-dependencies
+        run: cabal v2-build Cabal --only-dependencies
+      - name: cabal v2-build
+        run: cabal v2-build all
+      - name: cabal-install memory-usage-tests
+        run: |
+          cd cabal-install
+          cabal v2-run cabal-install:memory-usage-tests
+      - name: cabal-install solver-quickcheck
+        run: |
+          cd cabal-install
+          cabal v2-run cabal-install:solver-quickcheck
+      - name: cabal-install integration-tests2
+        run: |
+          cd cabal-install
+          cabal v2-run cabal-install:integration-tests2
+      - name: cabal-install unit-tests
+        run: |
+          cd cabal-install
+          cabal v2-run cabal-install:unit-tests -- --pattern "! (/FileMonitor/ || /VCS/ || /Get/)"
+      - name: cabal-tests
+        # Using only one job, -j1, to fail less.
+        run: cabal v2-run cabal-tests -- -j1 --with-cabal=dist-newstyle\build\x86_64-windows\ghc-8.8.3\cabal-install-3.3.0.0\x\cabal\build\cabal\cabal.exe
   test-windows-8_6_5:
     name: test ghc-8.6.5
     runs-on: windows-latest
@@ -74,3 +129,58 @@ jobs:
       - name: cabal-tests
         # Using only one job, -j1, to fail less.
         run: cabal v2-run cabal-tests -- -j1 --with-cabal=dist-newstyle\build\x86_64-windows\ghc-8.6.5\cabal-install-3.3.0.0\x\cabal\build\cabal\cabal.exe
+  test-windows-8_10_1:
+    name: test ghc-8.10.1
+    runs-on: windows-latest
+    steps:
+      - name: Configure Chocolatey
+        run: choco source add -n mistuke -s https://www.myget.org/F/mistuke/api/v2
+      - name: Install msys2
+        run: choco install -y msys2
+      - name: Install Cabal
+        run: choco install -y cabal --version 3.0.0.0
+      - name: Install GHC
+        run: choco install -y ghc --version 8.6.5
+      - name: Set PATH
+        run: |
+          [Environment]::GetEnvironmentVariable("Path")
+          Write-Host "::add-path::C:\ProgramData\chocolatey\lib\cabal\tools\cabal-3.0.0.0"
+          Write-Host "::add-path::C:\ProgramData\chocolatey\lib\ghc\tools\ghc-8.10.1\bin"
+      - name: Print versions
+        run: |
+          ghc --version
+          cabal --version
+          cabal user-config init -a "http-transport: plain-http" -a "store-dir: C:\SR" -f -v3
+      - uses: actions/cache@v1
+        with:
+          path: C:\SR
+          key: linux-store-meta
+      - name: Update Hackage index
+        run: cabal v2-update
+      - uses: actions/checkout@v2
+      - name: make cabal-install-dev
+        run: runghc cabal-dev-scripts/src/Preprocessor.hs -o cabal-install/cabal-install.cabal -f CABAL_FLAG_LIB cabal-install/cabal-install.cabal.pp
+      # We cannot ask for all dependencies, but we can for Cabal.
+      - name: cabal v2-build Cabal --only-dependencies
+        run: cabal v2-build Cabal --only-dependencies
+      - name: cabal v2-build
+        run: cabal v2-build all
+      - name: cabal-install memory-usage-tests
+        run: |
+          cd cabal-install
+          cabal v2-run cabal-install:memory-usage-tests
+      - name: cabal-install solver-quickcheck
+        run: |
+          cd cabal-install
+          cabal v2-run cabal-install:solver-quickcheck
+      - name: cabal-install integration-tests2
+        run: |
+          cd cabal-install
+          cabal v2-run cabal-install:integration-tests2
+      - name: cabal-install unit-tests
+        run: |
+          cd cabal-install
+          cabal v2-run cabal-install:unit-tests -- --pattern "! (/FileMonitor/ || /VCS/ || /Get/)"
+      - name: cabal-tests
+        # Using only one job, -j1, to fail less.
+        run: cabal v2-run cabal-tests -- -j1 --with-cabal=dist-newstyle\build\x86_64-windows\ghc-8.10.1\cabal-install-3.3.0.0\x\cabal\build\cabal\cabal.exe
diff --git a/cabal-dev-scripts/src/GenValidate.hs b/cabal-dev-scripts/src/GenValidate.hs
index 6b7825ccb07cf1753bf6312388f956d357aaffd2..48169bf39983ab9ffbe75111e1d7bb6bc4985592 100644
--- a/cabal-dev-scripts/src/GenValidate.hs
+++ b/cabal-dev-scripts/src/GenValidate.hs
@@ -46,7 +46,9 @@ main = do
                     -- Unexpected failure on GHCi exit: fd:10: hClose: resource vanished (Broken pipe)
                     -- cabal-tests: fd:10: hClose: resource vanished (Broken pipe)
                     -- [ WinGhcJob "8.8.1" ["8.6.5"]
-                    [ WinGhcJob "8.6.5" []
+                    [ WinGhcJob "8.8.3" []
+                    , WinGhcJob "8.6.5" []
+                    , WinGhcJob "8.10.1" []
                     ]
                 , zMangleVersion = map mangleChar
                 , zOr            = (||)