diff --git a/styles/light.json b/styles/light.json
index 55a7d881..15b9058a 100644
--- a/styles/light.json
+++ b/styles/light.json
@@ -1,5 +1,5 @@
 {
-	"version": 2,
+	"version": 3,
 	"settings": {
 		"color": {
 			"palette": [
diff --git a/theme.json b/theme.json
index 0488642e..8e923520 100644
--- a/theme.json
+++ b/theme.json
@@ -1,6 +1,6 @@
 {
 	"$schema": "https://schemas.wp.org/trunk/theme.json",
-	"version": 2,
+	"version": 3,
 	"customTemplates": [
 		{
 			"name": "no-title",
@@ -53,6 +53,7 @@
 		"typography": {
 			"dropCap": false,
 			"fluid": true,
+			"defaultFontSizes": false,
 			"fontFamilies": [
 				{
 					"fontFamily": "-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Oxygen-Sans,Ubuntu,Cantarell,\"Helvetica Neue\",sans-serif",