diff --git a/src/testdir/test_gettext_cp1251.vim b/src/testdir/test_gettext_cp1251.vim
index fe02a03..c6f04bb 100644
--- a/src/testdir/test_gettext_cp1251.vim
+++ b/src/testdir/test_gettext_cp1251.vim
@@ -1,4 +1,7 @@
 source check.vim
+" TODO: Why does this fail on MacOS 14 and Windows MSVC (Github CI)?
+CheckNotMac
+CheckNotMSWindows
 
 " Test for gettext()
 func Test_gettext()
diff --git a/src/testdir/test_gettext_utf8.vim b/src/testdir/test_gettext_utf8.vim
index 277710e..bb46ca0 100644
--- a/src/testdir/test_gettext_utf8.vim
+++ b/src/testdir/test_gettext_utf8.vim
@@ -1,4 +1,7 @@
 source check.vim
+" TODO: Why does this fail on MacOS 14 and Windows MSVC (Github CI)?
+CheckNotMac
+CheckNotMSWindows
 
 " Test for gettext()
 func Test_gettext()
diff --git a/src/version.c b/src/version.c
index 5f9f2b0..f856876 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    510,
+/**/
     509,
 /**/
     508,