diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index ad18b76..70b647b 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -1623,7 +1623,7 @@
 au BufNewFile,BufRead *.zsh			setf zsh
 
 " Scheme
-au BufNewFile,BufRead *.scm,*.ss,*.rkt		setf scheme
+au BufNewFile,BufRead *.scm,*.ss,*.rkt,*.rktd,*.rktl 	setf scheme
 
 " Screen RC
 au BufNewFile,BufRead .screenrc,screenrc	setf screen
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index bda6f3c..5463c1c 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -428,7 +428,7 @@
     \ 'sather': ['file.sa'],
     \ 'sbt': ['file.sbt'],
     \ 'scala': ['file.scala', 'file.sc'],
-    \ 'scheme': ['file.scm', 'file.ss', 'file.rkt'],
+    \ 'scheme': ['file.scm', 'file.ss', 'file.rkt', 'file.rktd', 'file.rktl'],
     \ 'scilab': ['file.sci', 'file.sce'],
     \ 'screen': ['.screenrc', 'screenrc'],
     \ 'sexplib': ['file.sexp'],
diff --git a/src/version.c b/src/version.c
index 619c840..a439d99 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3368,
+/**/
     3367,
 /**/
     3366,