diff --git a/css/properties.json b/css/properties.json
index 2a2ff357f..a83915427 100644
--- a/css/properties.json
+++ b/css/properties.json
@@ -4637,6 +4637,22 @@
     "status": "standard",
     "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/empty-cells"
   },
+  "field-sizing": {
+    "syntax": "content | fixed",
+    "media": "visual",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "CSS Basic User Interface"
+    ],
+    "initial": "fixed",
+    "appliesto": "elementsWithDefaultPreferredSize",
+    "computed": "asSpecified",
+    "order": "perGrammar",
+    "status": "standard",
+    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/field-sizing"
+  },
   "filter": {
     "syntax": "none | <filter-function-list>",
     "media": "visual",
diff --git a/css/properties.schema.json b/css/properties.schema.json
index e08b1ba05..986726950 100644
--- a/css/properties.schema.json
+++ b/css/properties.schema.json
@@ -211,6 +211,7 @@
         "elementsForWhichLayoutContainmentCanApply",
         "elementsForWhichSizeContainmentCanApply",
         "elementsThatAcceptInput",
+        "elementsWithDefaultPreferredSize",
         "elementsWithDisplayBoxOrInlineBox",
         "elementsWithDisplayMarker",
         "elementsWithDisplayMozBoxMozInlineBox",
diff --git a/l10n/css.json b/l10n/css.json
index 5e5a021bb..18111a4fe 100644
--- a/l10n/css.json
+++ b/l10n/css.json
@@ -676,6 +676,9 @@
   "elementsForWhichSizeContainmentCanApply": {
     "en-US": "elements for which size containment can apply"
   },
+  "elementsWithDefaultPreferredSize": {
+    "en-US": "Elements with default preferred size"
+  },
   "elementsWithDisplayBoxOrInlineBox": {
     "de": "Elemente mit einem CSS {{cssxref(\"display\")}} Wert von <code>box</code> oder <code>inline-box</code>",
     "en-US": "elements with a CSS {{cssxref(\"display\")}} value of <code>box</code> or <code>inline-box</code>",