diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index bd3194118bd51..daf26070b1fa5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -59,6 +59,13 @@ jobs:
           # reduce time required to install packages by disabling pacman's disk space checking
           sed -i 's/^CheckSpace/#CheckSpace/g' /etc/pacman.conf &&
 
+          # help git-sdk-arm64 switch from `asciidoc` to `asciidoctor`
+          {
+            test mingw-w64-git != '${{ matrix.directory }}' ||
+            test ! -d /var/lib/pacman/local/mingw-w64-*-asciidoctor-extensions-* ||
+            pacman -R --noconfirm mingw-w64-$MSYSTEM_CARCH-asciidoctor-extensions
+          } &&
+
           top_dir=$PWD &&
           cd "${{ matrix.directory }}" &&
           MAKEFLAGS=-j8 makepkg-mingw -s --noconfirm &&