diff --git a/src/testdir/test_quotestar.vim b/src/testdir/test_quotestar.vim
index 432862e..9386586 100644
--- a/src/testdir/test_quotestar.vim
+++ b/src/testdir/test_quotestar.vim
@@ -107,7 +107,8 @@
       call remote_send(name, ":gui -f\<CR>")
     endif
     " Wait for the server in the GUI to be up and answering requests.
-    call WaitForAssert({-> assert_match("1", remote_expr(name, "has('gui_running')", "", 1))})
+    " On some systems and with valgrind this can be very slow.
+    call WaitForAssert({-> assert_match("1", remote_expr(name, "has('gui_running')", "", 1))}, 10000)
 
     call remote_send(name, ":let @* = 'maybe'\<CR>")
     call WaitForAssert({-> assert_equal("maybe", remote_expr(name, "@*", "", 2))})
diff --git a/src/version.c b/src/version.c
index 2d29430..4ae2b51 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    457,
+/**/
     456,
 /**/
     455,