diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index f1c187c39..222e7049b 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -76,6 +76,7 @@ jobs:
                 pacman --noconfirm -S bison
                 pacman --noconfirm -S perl
                 pacman --noconfirm -S perl-JSON
+                pacman --noconfirm -S texinfo
                 set PATH=%PATH%;%wix%bin
                 title Heimdal Build %CPU% %dbg__type%
                 set "PATH=%PATH%;C:\Perl64\bin;C:\tools\cygwin\bin;C:\Program Files (x86)\HTML Help Workshop"