diff --git a/packages/analyzer/CHANGELOG.md b/packages/analyzer/CHANGELOG.md
index 3ebbdf6..0381dab 100644
--- a/packages/analyzer/CHANGELOG.md
+++ b/packages/analyzer/CHANGELOG.md
@@ -1,3 +1,6 @@
+## Release 0.10.0
+- Added support for new `cssState` addition to the schema
+
 ## Release 0.9.9
 - Support `@attribute` jsdoc better
 
diff --git a/packages/analyzer/browser/index.js b/packages/analyzer/browser/index.js
index 63e7f77..9aa14a7 100644
--- a/packages/analyzer/browser/index.js
+++ b/packages/analyzer/browser/index.js
@@ -204041,7 +204041,8 @@ function createClass(node, moduleDoc, context) {
     slots: [],
     members: [],
     events: [],
-    attributes: []
+    attributes: [],
+    cssStates: []
   };
   node?.members?.forEach((member) => {
     if (isProperty(member)) {
@@ -204540,6 +204541,12 @@ function classJsDocPlugin() {
                   case "element":
                     classDoc.tagName = jsDoc2?.name || "";
                     break;
+                  case "cssState":
+                  case "cssstate":
+                    let statePropertyDoc = {};
+                    statePropertyDoc = handleClassJsDoc(statePropertyDoc, jsDoc2);
+                    classDoc.cssStates.push(statePropertyDoc);
+                    break;
                   case "deprecated":
                     classDoc.deprecated = jsDoc2?.name ? `${jsDoc2.name} ${jsDoc2?.description}`.trim() : "true";
                     break;
@@ -204664,7 +204671,7 @@ function cleanupClassesPlugin() {
     moduleLinkPhase({ moduleDoc }) {
       const classes = moduleDoc?.declarations?.filter((declaration) => declaration.kind === "class" || declaration.kind === "mixin");
       classes?.forEach((klass) => {
-        ["cssProperties", "cssParts", "slots", "members", "attributes", "events"].forEach((field) => {
+        ["cssProperties", "cssParts", "slots", "members", "attributes", "events", "cssStates"].forEach((field) => {
           if (!has(klass[field])) {
             delete klass[field];
           }
@@ -204907,7 +204914,7 @@ function applyInheritancePlugin() {
           if (klass?.name === customElement.name) {
             return;
           }
-          ["slots", "cssParts", "cssProperties", "attributes", "members", "events"].forEach((type) => {
+          ["slots", "cssParts", "cssProperties", "attributes", "members", "events", "cssStates"].forEach((type) => {
             klass?.[type]?.forEach((currItem) => {
               const containingModulePath = getModuleForClassLike(allManifests, klass.name);
               const containingModule = getModuleFromManifests(allManifests, containingModulePath);
diff --git a/packages/analyzer/package.json b/packages/analyzer/package.json
index d6753ac..7e47101 100644
--- a/packages/analyzer/package.json
+++ b/packages/analyzer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@custom-elements-manifest/analyzer",
-  "version": "0.9.9",
+  "version": "0.10.0",
   "description": "",
   "license": "MIT",
   "type": "module",