diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f9f7fa3f..8d16bed6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -44,8 +44,8 @@ jobs:
       - run: |
           choco install pkgconfiglite
 
-      - run: git config --global core.autocrlf input
-      - uses: cygwin/cygwin-install-action@master
+      # - run: git config --global core.autocrlf input
+      # - uses: cygwin/cygwin-install-action@master
 
       - shell: bash
         run: |
@@ -56,13 +56,13 @@ jobs:
           echo "LIBJPEG_CFLAGS=$(pkg-config --cflags libturbojpeg)" >> $GITHUB_ENV
           echo "LIBJPEG_LIBS=$(pkg-config --libs libturbojpeg)" >> $GITHUB_ENV
 
-          curl -L -o opam64.tar.xz https://github.com/fdopen/opam-repository-mingw/releases/download/0.0.0.2/opam64.tar.xz
-          tar -xf opam64.tar.xz
-          bash opam64/install.sh
+          # curl -L -o opam64.tar.xz https://github.com/fdopen/opam-repository-mingw/releases/download/0.0.0.2/opam64.tar.xz
+          # tar -xf opam64.tar.xz
+          # bash opam64/install.sh
 
       - uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-compiler: "ocaml-variants.4.11.0+flambda+mingw64c"
+          ocaml-compiler: "ocaml-variants.4.14.0+flambda"
           opam-disable-sandboxing: true
           dune-cache: true
           opam-repositories: |