diff --git a/src/testdir/test_matchadd_conceal.vim b/src/testdir/test_matchadd_conceal.vim
index 610917f..d285a4c 100644
--- a/src/testdir/test_matchadd_conceal.vim
+++ b/src/testdir/test_matchadd_conceal.vim
@@ -281,6 +281,7 @@
   call assert_notequal(screenattr(1, 11) , screenattr(1, 12))
   call assert_equal(screenattr(1, 11) , screenattr(1, 32))
   call matchadd('CheckedByCoq', '\%<2l\%>9c\%<16c')
+  redraw!
   call assert_equal(expect, s:screenline(1))
   call assert_notequal(screenattr(1, 10) , screenattr(1, 11))
   call assert_notequal(screenattr(1, 11) , screenattr(1, 12))
diff --git a/src/version.c b/src/version.c
index a6f915a..5e337d6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    52,
+/**/
     51,
 /**/
     50,