diff --git a/gtk/open-type-layout.h b/gtk/open-type-layout.h
index 22521f3818..9523e2d48d 100644
--- a/gtk/open-type-layout.h
+++ b/gtk/open-type-layout.h
@@ -29,6 +29,26 @@ static NamedTag open_type_layout_features[] = {
   { MAKE_TAG('c','p','s','p'), NC_("OpenType layout", "Capital Spacing") },
   { MAKE_TAG('c','s','w','h'), NC_("OpenType layout", "Contextual Swash") },
   { MAKE_TAG('c','u','r','s'), NC_("OpenType layout", "Cursive Positioning") },
+  { MAKE_TAG('c','v','0','1'), NC_("OpenType layout", "Character Variation 1") },
+  { MAKE_TAG('c','v','0','2'), NC_("OpenType layout", "Character Variation 2") },
+  { MAKE_TAG('c','v','0','3'), NC_("OpenType layout", "Character Variation 3") },
+  { MAKE_TAG('c','v','0','4'), NC_("OpenType layout", "Character Variation 4") },
+  { MAKE_TAG('c','v','0','5'), NC_("OpenType layout", "Character Variation 5") },
+  { MAKE_TAG('c','v','0','6'), NC_("OpenType layout", "Character Variation 6") },
+  { MAKE_TAG('c','v','0','7'), NC_("OpenType layout", "Character Variation 7") },
+  { MAKE_TAG('c','v','0','8'), NC_("OpenType layout", "Character Variation 8") },
+  { MAKE_TAG('c','v','0','9'), NC_("OpenType layout", "Character Variation 9") },
+  { MAKE_TAG('c','v','1','0'), NC_("OpenType layout", "Character Variation 10") },
+  { MAKE_TAG('c','v','1','1'), NC_("OpenType layout", "Character Variation 11") },
+  { MAKE_TAG('c','v','1','2'), NC_("OpenType layout", "Character Variation 12") },
+  { MAKE_TAG('c','v','1','3'), NC_("OpenType layout", "Character Variation 13") },
+  { MAKE_TAG('c','v','1','4'), NC_("OpenType layout", "Character Variation 14") },
+  { MAKE_TAG('c','v','1','5'), NC_("OpenType layout", "Character Variation 15") },
+  { MAKE_TAG('c','v','1','6'), NC_("OpenType layout", "Character Variation 16") },
+  { MAKE_TAG('c','v','1','7'), NC_("OpenType layout", "Character Variation 17") },
+  { MAKE_TAG('c','v','1','8'), NC_("OpenType layout", "Character Variation 18") },
+  { MAKE_TAG('c','v','1','9'), NC_("OpenType layout", "Character Variation 19") },
+  { MAKE_TAG('c','v','2','0'), NC_("OpenType layout", "Character Variation 20") },
   { MAKE_TAG('c','2','p','c'), NC_("OpenType layout", "Petite Capitals From Capitals") },
   { MAKE_TAG('c','2','s','c'), NC_("OpenType layout", "Small Capitals From Capitals") },
   { MAKE_TAG('d','i','s','t'), NC_("OpenType layout", "Distances") },