diff --git a/css/properties.json b/css/properties.json
index 86cd3c15c..e1b084e7a 100644
--- a/css/properties.json
+++ b/css/properties.json
@@ -1720,6 +1720,22 @@
     "order": "uniqueOrder",
     "status": "nonstandard"
   },
+  "alignment-baseline": {
+    "syntax": "baseline | alphabetic | ideographic | middle | central | mathematical | text-before-edge | text-after-edge",
+    "media": "none",
+    "inherited": false,
+    "animationType": "discrete",
+    "percentages": "no",
+    "groups": [
+      "CSS Inline"
+    ],
+    "initial": "baseline",
+    "appliesto": "inlineLevelBoxesFlexItemsGridItemsTableCellsAndSVGTextContentElements",
+    "computed": "theSpecifiedKeyword",
+    "order": "perGrammar",
+    "status": "standard",
+    "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/alignment-baseline"
+  },
   "all": {
     "syntax": "initial | inherit | unset | revert | revert-layer",
     "media": "noPracticalMedia",
diff --git a/css/properties.schema.json b/css/properties.schema.json
index 341084b1e..3f3c41e4d 100644
--- a/css/properties.schema.json
+++ b/css/properties.schema.json
@@ -248,9 +248,10 @@
         "iframeElements",
         "images",
         "inFlowBlockLevelElements",
-        "inFlowChildrenOfBoxElements",
         "inlineBoxesAndBlockContainers",
+        "inFlowChildrenOfBoxElements",
         "inlineLevelAndTableCellElements",
+        "inlineLevelBoxesFlexItemsGridItemsTableCellsAndSVGTextContentElements",
         "limitedSVGElements",
         "limitedSVGElementsCircle",
         "limitedSVGElementsEllipse",
diff --git a/l10n/css.json b/l10n/css.json
index ef50cbdd2..fd1a31182 100644
--- a/l10n/css.json
+++ b/l10n/css.json
@@ -924,6 +924,9 @@
     "ja": "インラインレベルおよびテーブルセル要素",
     "ru": "строчным элементам и ячейкам таблиц"
   },
+  "inlineLevelBoxesFlexItemsGridItemsTableCellsAndSVGTextContentElements": {
+    "en-US": "inline-level boxes, flex items, grid items, table cells, and SVG text content elements"
+  },
   "inlineSizeOfContainingBlock": {
     "de": "Inlinegröße des beinhaltenden Blocks",
     "en-US": "inline-size of containing block",