diff --git a/.github/workflows/wheels-dependencies.sh b/.github/workflows/wheels-dependencies.sh
index accd99901..04bce62fb 100755
--- a/.github/workflows/wheels-dependencies.sh
+++ b/.github/workflows/wheels-dependencies.sh
@@ -42,7 +42,7 @@ HARFBUZZ_VERSION=11.0.0
 LIBPNG_VERSION=1.6.47
 JPEGTURBO_VERSION=3.1.0
 OPENJPEG_VERSION=2.5.3
-XZ_VERSION=5.8.0
+XZ_VERSION=5.8.1
 TIFF_VERSION=4.7.0
 LCMS2_VERSION=2.17
 ZLIB_VERSION=1.3.1
@@ -53,20 +53,6 @@ LIBXCB_VERSION=1.17.0
 BROTLI_VERSION=1.1.0
 LIBAVIF_VERSION=1.2.1
 
-if [[ $MB_ML_VER == 2014 ]]; then
-    function build_xz {
-        if [ -e xz-stamp ]; then return; fi
-        yum install -y gettext-devel
-        fetch_unpack https://tukaani.org/xz/xz-$XZ_VERSION.tar.gz
-        (cd xz-$XZ_VERSION \
-            && ./autogen.sh --no-po4a \
-            && ./configure --prefix=$BUILD_PREFIX \
-            && make -j4 \
-            && make install)
-        touch xz-stamp
-    }
-fi
-
 function build_pkg_config {
     if [ -e pkg-config-stamp ]; then return; fi
     # This essentially duplicates the Homebrew recipe
diff --git a/winbuild/build_prepare.py b/winbuild/build_prepare.py
index e118cd994..e8e3aacc2 100644
--- a/winbuild/build_prepare.py
+++ b/winbuild/build_prepare.py
@@ -122,7 +122,7 @@ V = {
     "LIBWEBP": "1.5.0",
     "OPENJPEG": "2.5.3",
     "TIFF": "4.7.0",
-    "XZ": "5.6.4",
+    "XZ": "5.6.4" if struct.calcsize("P") == 4 else "5.8.1",
     "ZLIBNG": "2.2.4",
 }
 V["LIBPNG_XY"] = "".join(V["LIBPNG"].split(".")[:2])