diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 90ba961..322e1cc 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -2345,6 +2345,9 @@
 " WebAssembly
 au BufNewFile,BufRead *.wast,*.wat		setf wast
 
+" WebAssembly Interface Type (WIT)
+au BufNewFile,BufRead *.wit			setf wit
+
 " Webmacro
 au BufNewFile,BufRead *.wm			setf webmacro
 
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index e5f16cd..8b42250 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -663,6 +663,7 @@
     \ 'wget': ['.wgetrc', 'wgetrc'],
     \ 'wget2': ['.wget2rc', 'wget2rc'],
     \ 'winbatch': ['file.wbt'],
+    \ 'wit': ['file.wit'],
     \ 'wml': ['file.wml'],
     \ 'wsh': ['file.wsf', 'file.wsc'],
     \ 'wsml': ['file.wsml'],
diff --git a/src/version.c b/src/version.c
index 8ed8263..3b93819 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1423,
+/**/
     1422,
 /**/
     1421,