diff --git a/.github/workflows/make-msys2.yml b/.github/workflows/make-msys2.yml
index df0ab7878..4e94f207b 100644
--- a/.github/workflows/make-msys2.yml
+++ b/.github/workflows/make-msys2.yml
@@ -82,7 +82,7 @@ jobs:
           C:\msys64\usr\bin\bash.exe -lc 'pacman --needed --noconfirm -Syuu'
           C:\msys64\usr\bin\bash.exe -lc 'pacman --needed --noconfirm -Syuu'
           C:\msys64\usr\bin\bash.exe -lc 'pacman --needed --noconfirm -Syuu pactoys-git'
-          C:\msys64\usr\bin\bash.exe -lc 'pacboy --needed --noconfirm -Sy clang:m openblas:x openmp:x toolchain:m base-devel:'
+          C:\msys64\usr\bin\bash.exe -lc 'pacboy --needed --noconfirm -Sy clang:m libxml2:m openblas:x openmp:x toolchain:m base-devel:'
           $ErrorActionPreference = 'Stop'
 
       - name: make
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 003350a38..af01a73b4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -87,7 +87,7 @@ jobs:
           C:\msys64\usr\bin\bash.exe -lc 'pacman --needed --noconfirm -Syuu'
           C:\msys64\usr\bin\bash.exe -lc 'pacman --needed --noconfirm -Syuu'
           C:\msys64\usr\bin\bash.exe -lc 'pacman --needed --noconfirm -Syuu pactoys-git'
-          C:\msys64\usr\bin\bash.exe -lc 'pacboy --needed --noconfirm -Sy clang:m openblas:x openmp:x toolchain:m base-devel:'
+          C:\msys64\usr\bin\bash.exe -lc 'pacboy --needed --noconfirm -Sy clang:m libxml2:m openblas:x openmp:x toolchain:m base-devel:'
           $ErrorActionPreference = 'Stop'
 
       - name: make
@@ -177,7 +177,7 @@ jobs:
           C:\msys64\usr\bin\bash.exe -lc 'pacman --needed --noconfirm -Syuu'
           C:\msys64\usr\bin\bash.exe -lc 'pacman --needed --noconfirm -Syuu'
           C:\msys64\usr\bin\bash.exe -lc 'pacman --needed --noconfirm -Syuu pactoys-git'
-          C:\msys64\usr\bin\bash.exe -lc 'pacboy --needed --noconfirm -Sy clang:m openblas:x openmp:x toolchain:m base-devel:'
+          C:\msys64\usr\bin\bash.exe -lc 'pacboy --needed --noconfirm -Sy clang:m libxml2:m openblas:x openmp:x toolchain:m base-devel:'
           $ErrorActionPreference = 'Stop'
 
       - name: make