diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 15fd7f4..51f62f4 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -678,8 +678,10 @@
 " Git
 au BufNewFile,BufRead COMMIT_EDITMSG,MERGE_MSG,TAG_EDITMSG	setf gitcommit
 au BufNewFile,BufRead NOTES_EDITMSG,EDIT_DESCRIPTION		setf gitcommit
-au BufNewFile,BufRead *.git/config,.gitconfig,/etc/gitconfig	setf gitconfig
+au BufNewFile,BufRead *.git/config,.gitconfig,*/etc/gitconfig	setf gitconfig
 au BufNewFile,BufRead */.config/git/config			setf gitconfig
+au BufNewFile,BufRead *.git/config.worktree			setf gitconfig
+au BufNewFile,BufRead *.git/worktrees/*/config.worktree		setf gitconfig
 au BufNewFile,BufRead .gitmodules,*.git/modules/*/config	setf gitconfig
 if !empty($XDG_CONFIG_HOME)
   au BufNewFile,BufRead $XDG_CONFIG_HOME/git/config		setf gitconfig
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index fb1aa63..d0a1fd2 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -197,7 +197,7 @@
     \ 'gemtext': ['file.gmi', 'file.gemini'],
     \ 'gift': ['file.gift'],
     \ 'gitcommit': ['COMMIT_EDITMSG', 'MERGE_MSG', 'TAG_EDITMSG', 'NOTES_EDITMSG', 'EDIT_DESCRIPTION'],
-    \ 'gitconfig': ['file.git/config', '.gitconfig', '.gitmodules', 'file.git/modules//config', '/.config/git/config', '/etc/gitconfig', '/etc/gitconfig.d/file', '/.gitconfig.d/file', 'any/.config/git/config', 'any/.gitconfig.d/file', 'some.git/config', 'some.git/modules/any/config'],
+    \ 'gitconfig': ['file.git/config', 'file.git/config.worktree', 'file.git/worktrees/x/config.worktree', '.gitconfig', '.gitmodules', 'file.git/modules//config', '/.config/git/config', '/etc/gitconfig', '/usr/local/etc/gitconfig', '/etc/gitconfig.d/file', '/.gitconfig.d/file', 'any/.config/git/config', 'any/.gitconfig.d/file', 'some.git/config', 'some.git/modules/any/config'],
     \ 'gitolite': ['gitolite.conf', '/gitolite-admin/conf/file', 'any/gitolite-admin/conf/file'],
     \ 'gitrebase': ['git-rebase-todo'],
     \ 'gitsendemail': ['.gitsendemail.msg.xxxxxx'],
diff --git a/src/version.c b/src/version.c
index 1d5160f..59721bb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4188,
+/**/
     4187,
 /**/
     4186,