diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9da2dd400..8f44d042a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 4.7.6
+
+- [698](https://github.com/bvaughn/react-resizable-panels/pull/698): Replace `Panel` `aria-disabled` attribute with `data-disabled`
+
 ## 4.7.5
 
 - [696](https://github.com/bvaughn/react-resizable-panels/pull/696): Improved server rendering support for `defaultSize` prop
diff --git a/lib/components/panel/Panel.tsx b/lib/components/panel/Panel.tsx
index 6ed89d175..3e884fac5 100644
--- a/lib/components/panel/Panel.tsx
+++ b/lib/components/panel/Panel.tsx
@@ -168,7 +168,7 @@ export function Panel({
   return (
     <div
       {...rest}
-      aria-disabled={disabled || undefined}
+      data-disabled={disabled || undefined}
       data-panel
       data-testid={id}
       id={id}
diff --git a/lib/global/dom/calculateHitRegions.ts b/lib/global/dom/calculateHitRegions.ts
index 74eb195f8..49dfe067c 100644
--- a/lib/global/dom/calculateHitRegions.ts
+++ b/lib/global/dom/calculateHitRegions.ts
@@ -52,7 +52,7 @@ export function calculateHitRegions(group: RegisteredGroup) {
       if (childElement.hasAttribute("data-panel")) {
         currentPanelIndex++;
 
-        if (childElement.ariaDisabled === null) {
+        if (!childElement.hasAttribute("data-disabled")) {
           numEnabledPanels++;
 
           if (firstEnabledPanelIndex === -1) {
diff --git a/lib/global/test/mockGroup.ts b/lib/global/test/mockGroup.ts
index f63f4e77a..4716c8102 100644
--- a/lib/global/test/mockGroup.ts
+++ b/lib/global/test/mockGroup.ts
@@ -98,7 +98,7 @@ export function mockGroup(
       const element = document.createElement("div");
       element.setAttribute("data-panel", panelId);
       if (constraints?.disabled) {
-        element.setAttribute("aria-disabled", "");
+        element.setAttribute("data-disabled", "");
       }
 
       setElementBounds(element, relativeBoundsToBounds(relativeBounds));