diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index e66fd0c..e2177e5 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -387,6 +387,7 @@
     \ 'neomuttrc': ['Neomuttrc', '.neomuttrc', '.neomuttrc-file', '/.neomutt/neomuttrc', '/.neomutt/neomuttrc-file', 'Neomuttrc', 'Neomuttrc-file', 'any/.neomutt/neomuttrc', 'any/.neomutt/neomuttrc-file', 'neomuttrc', 'neomuttrc-file'],
     \ 'netrc': ['.netrc'],
     \ 'nginx': ['file.nginx', 'nginxfile.conf', 'filenginx.conf', 'any/etc/nginx/file', 'any/usr/local/nginx/conf/file', 'any/nginx/file.conf'],
+    \ 'nim': ['file.nim', 'file.nims', 'file.nimble'],
     \ 'ninja': ['file.ninja'],
     \ 'nix': ['file.nix'],
     \ 'nqc': ['file.nqc'],
diff --git a/src/version.c b/src/version.c
index 386babf..26eada3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    566,
+/**/
     565,
 /**/
     564,