diff --git a/src/testdir/test_filechanged.vim b/src/testdir/test_filechanged.vim
index c3a5664..12ac4cc 100644
--- a/src/testdir/test_filechanged.vim
+++ b/src/testdir/test_filechanged.vim
@@ -11,8 +11,12 @@
   new Xchanged_r
   call setline(1, 'reload this')
   write
-  " Need to wait until the timestamp would change by at least a second.
-  sleep 2
+  " Need to wait until the timestamp would change.
+  if has('nanotime')
+    sleep 10m
+  else
+    sleep 2
+  endif
   silent !echo 'extra line' >>Xchanged_r
   checktime
   call assert_equal('changed', g:reason)
@@ -50,7 +54,11 @@
   call assert_equal('new line', getline(1))
 
   " Only time changed
-  sleep 2
+  if has('nanotime')
+    sleep 10m
+  else
+    sleep 2
+  endif
   silent !touch Xchanged_r
   let g:reason = ''
   checktime
@@ -65,7 +73,11 @@
     call setline(2, 'before write')
     write
     call setline(2, 'after write')
-    sleep 2
+    if has('nanotime')
+      sleep 10m
+    else
+      sleep 2
+    endif
     silent !echo 'different line' >>Xchanged_r
     let g:reason = ''
     checktime
@@ -192,8 +204,12 @@
   new Xchanged_d
   call setline(1, 'reload this')
   write
-  " Need to wait until the timestamp would change by at least a second.
-  sleep 2
+  " Need to wait until the timestamp would change.
+  if has('nanotime')
+    sleep 10m
+  else
+    sleep 2
+  endif
   silent !echo 'extra line' >>Xchanged_d
   call feedkeys('L', 'L')
   checktime
@@ -228,7 +244,11 @@
   call assert_equal('new line', getline(1))
 
   " Only time changed, no prompt
-  sleep 2
+  if has('nanotime')
+    sleep 10m
+  else
+    sleep 2
+  endif
   silent !touch Xchanged_d
   let v:warningmsg = ''
   checktime Xchanged_d
diff --git a/src/version.c b/src/version.c
index 5534b9b..cf57e38 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    268,
+/**/
     267,
 /**/
     266,