diff --git a/CHANGELOG.md b/CHANGELOG.md
index 29dca789b4..e9ddfdcd52 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [4.10.2](https://github.com/dequelabs/axe-core/compare/v4.10.1...v4.10.2) (2024-10-21)
+
+### Bug Fixes
+
+- **get-ancestry:** don't error when there is no parent ([#4617](https://github.com/dequelabs/axe-core/issues/4617)) ([6c07102](https://github.com/dequelabs/axe-core/commit/6c07102b1d29145b8dc5f1d96229f3d0b8b38068))
+
 ### [4.10.1](https://github.com/dequelabs/axe-core/compare/v4.10.0...v4.10.1) (2024-10-16)
 
 ### Bug Fixes
diff --git a/bower.json b/bower.json
index 90cb051ba4..c5be151dbb 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "axe-core",
-  "version": "4.10.1",
+  "version": "4.10.2",
   "deprecated": true,
   "contributors": [
     {
diff --git a/lib/core/utils/get-ancestry.js b/lib/core/utils/get-ancestry.js
index f3ed38d272..5652c69ac0 100644
--- a/lib/core/utils/get-ancestry.js
+++ b/lib/core/utils/get-ancestry.js
@@ -9,7 +9,7 @@ function generateAncestry(node) {
   if (
     nodeName !== 'head' &&
     nodeName !== 'body' &&
-    parentNode.children.length > 1
+    parentNode?.children.length > 1
   ) {
     const index = Array.prototype.indexOf.call(parentNode.children, node) + 1;
     nthChild = `:nth-child(${index})`;
diff --git a/package-lock.json b/package-lock.json
index d644fc18b1..f5e5af0495 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "axe-core",
-  "version": "4.10.1",
+  "version": "4.10.2",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "axe-core",
-      "version": "4.10.1",
+      "version": "4.10.2",
       "license": "MPL-2.0",
       "devDependencies": {
         "@axe-core/webdriverjs": "^4.9.0",
diff --git a/package.json b/package.json
index dae167d915..8d32c615bd 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "axe-core",
   "description": "Accessibility engine for automated Web UI testing",
-  "version": "4.10.1",
+  "version": "4.10.2",
   "license": "MPL-2.0",
   "engines": {
     "node": ">=4"
diff --git a/sri-history.json b/sri-history.json
index cfa53c6d9d..26978ba5ce 100644
--- a/sri-history.json
+++ b/sri-history.json
@@ -386,5 +386,9 @@
   "4.10.1": {
     "axe.js": "sha256-KQDnBck/AyiC+OE3x0AJ/EQYykYTnH+1z7punr4Xc0c=",
     "axe.min.js": "sha256-OBXf33U9n+qCj0mI9MLkiVyC1nCzabDnmopjyuv1gZ4="
+  },
+  "4.10.2": {
+    "axe.js": "sha256-+gZL/deLqt1La/rK9St/UzNzWa4co71yGT5I07FuZuE=",
+    "axe.min.js": "sha256-tRHNnewBx29LKtFyO2a22zfUwutO0ZkHbhgp2e57deM="
   }
 }
diff --git a/test/core/utils/get-ancestry.js b/test/core/utils/get-ancestry.js
index 071853fb8d..8f570e907a 100644
--- a/test/core/utils/get-ancestry.js
+++ b/test/core/utils/get-ancestry.js
@@ -26,6 +26,11 @@ describe('axe.utils.getAncestry', () => {
     assert.isNotNull(document.querySelector(sel1));
   });
 
+  it('should not throw when there is no parent', () => {
+    const node = document.createElement('section');
+    assert.doesNotThrow(() => axe.utils.getAncestry(node));
+  });
+
   it('generates selectors of nested shadow trees', () => {
     const node = document.createElement('section');
     fixture.appendChild(node);