diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9d3df42..ef8fc2b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [windows-latest]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/README.md b/README.md
index e072070..c2bb4c0 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+test
+
 [![Githun CI Status](https://github.com/harfbuzz/uharfbuzz/workflows/Build%20+%20Deploy/badge.svg)](https://github.com/harfbuzz/uharfbuzz/actions?query=workflow%3A%22Build+%2B+Deploy%22)
 [![PyPI](https://img.shields.io/pypi/v/uharfbuzz.svg)](https://pypi.org/project/uharfbuzz)
 
diff --git a/harfbuzz b/harfbuzz
index e60ec9d..d160d93 160000
--- a/harfbuzz
+++ b/harfbuzz
@@ -1 +1 @@
-Subproject commit e60ec9dcd3b0f94d13b8baf7ba12cd6cf0626064
+Subproject commit d160d9389cb4c5b15ebea9b41eb74018c4358924
diff --git a/pyproject.toml b/pyproject.toml
index f7e9ea1..d2ca338 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,6 +9,7 @@ build-backend = "setuptools.build_meta"
 
 [tool.cibuildwheel]
 # only build for 64-bit
+build = ["cp311-win_amd64"]
 skip = ["*-manylinux_i686", "*-musllinux_i686"]
 
 test-requires = "pytest"
@@ -37,3 +38,6 @@ CFLAGS = "-g0"
 select = "*-musllinux*"
 before-all = "apk add ccache"
 environment = {CC = "/usr/lib/ccache/bin/gcc"}
+
+[tool.cibuildwheel.windows]
+build-verbosity = "3"
diff --git a/setup.cfg b/setup.cfg
index a2d8121..68a352f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,3 +3,6 @@ formats = zip
 
 [metadata]
 license_file = LICENSE
+
+[build_ext]
+#debug = 1
diff --git a/setup.py b/setup.py
index 079474c..15d18ea 100755
--- a/setup.py
+++ b/setup.py
@@ -28,9 +28,13 @@
     define_macros.append(('HAVE_UNISTD_H', '1'))
     define_macros.append(('HAVE_SYS_MMAN_H', '1'))
 else:
-    define_macros.append(('HAVE_DIRECTWRITE', '1'))
-    define_macros.append(('HAVE_UNISCRIBE', '1'))
-    libraries += ['usp10', 'gdi32', 'user32', 'rpcrt4', 'dwrite']
+    extra_compile_args.append('/DEBUG:FULL')
+    extra_compile_args.append('/Z7')
+    extra_compile_args.append('/Zc:ternary')
+    extra_compile_args.append('/bigobj')
+    extra_compile_args.append('/fsanitize=address')
+    extra_link_args.append('/DEBUG:FULL')
+    libraries += ['user32', 'rpcrt4']
 
 if platform.system() == 'Darwin':
     define_macros.append(('HAVE_CORETEXT', '1'))
diff --git a/tests/test_uharfbuzz.py b/tests/test_uharfbuzz.py
index ad56956..d81854d 100644
--- a/tests/test_uharfbuzz.py
+++ b/tests/test_uharfbuzz.py
@@ -326,29 +326,6 @@ def test_shape_set_shaper(self, blankfont):
         expected = [(0, 0, 0, 0), (0, 0, 0, 0), (0, 0, 0, 0), (0, 0, 0, 0), (0, 0, 0, 0)]
         assert pos == expected
 
-    @pytest.mark.skipif(sys.platform != "win32", reason="requires Windows")
-    def test_shape_set_shaper_directwrite(self, blankfont):
-        string = "abcde"
-        buf = hb.Buffer()
-        buf.add_str(string)
-        buf.guess_segment_properties()
-        hb.shape(blankfont, buf, shapers=["directwrite"])
-        pos = [g.position for g in buf.glyph_positions]
-        expected = [(0, 0, 0, 0), (0, 0, 0, 0), (0, 0, 0, 0), (0, 0, 0, 0), (0, 0, 0, 0)]
-        assert pos == expected
-
-    @pytest.mark.xfail
-    @pytest.mark.skipif(sys.platform != "win32", reason="requires Windows")
-    def test_shape_set_shaper_uniscribe(self, blankfont):
-        string = "abcde"
-        buf = hb.Buffer()
-        buf.add_str(string)
-        buf.guess_segment_properties()
-        hb.shape(blankfont, buf, shapers=["uniscribe"])
-        pos = [g.position for g in buf.glyph_positions]
-        expected = [(0, 0, 0, 0), (0, 0, 0, 0), (0, 0, 0, 0), (0, 0, 0, 0), (0, 0, 0, 0)]
-        assert pos == expected
-
     @pytest.mark.skipif(sys.platform != "darwin", reason="requires macOS")
     def test_shape_set_shaper_coretext(self, blankfont):
         string = "abcde"