diff --git a/package.json b/package.json
index 24b0a0d..3e5775b 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "clsx": "1.1.1",
-    "react-virtualized-auto-sizer": "1.0.7",
+    "react-virtualized-auto-sizer": "1.0.24",
     "react-window": "1.8.7"
   },
   "devDependencies": {
@@ -157,5 +157,6 @@
   "bugs": {
     "url": "https://github.com/table-library/react-table-library/issues"
   },
-  "homepage": "https://react-table-library.com"
+  "homepage": "https://react-table-library.com",
+  "packageManager": "yarn@1.22.22+sha512.a6b2f7906b721bba3d67d4aff083df04dad64c399707841b7acf00f6b133b7ac24255f2652fa22ae3534329dc6180534e98d17432037ff6fd140556e2bb3137e"
 }
diff --git a/src/table/Cell/HeaderCell.tsx b/src/table/Cell/HeaderCell.tsx
index c58ad92..c95c86c 100644
--- a/src/table/Cell/HeaderCell.tsx
+++ b/src/table/Cell/HeaderCell.tsx
@@ -141,8 +141,8 @@ export const HeaderCell: React.FC<HeaderCellProps> = ({
       </HeaderCellContainer>
 
       {/* column grouping */}
-      {Array.from({ length: colSpan }, () => (
-        <HeaderCellContainer className={cs('th', 'hide', 'colspan')} />
+      {Array.from({ length: colSpan }, (_, i) => (
+        <HeaderCellContainer key={`colspan-${i}`} className={cs('th', 'hide', 'colspan')} />
       ))}
     </>
   );
diff --git a/yarn.lock b/yarn.lock
index 2479da3..5555a17 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14833,10 +14833,10 @@ react-transition-group@^4.4.2:
     loose-envify "^1.4.0"
     prop-types "^15.6.2"
 
-react-virtualized-auto-sizer@1.0.7:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/react-virtualized-auto-sizer/-/react-virtualized-auto-sizer-1.0.7.tgz#bfb8414698ad1597912473de3e2e5f82180c1195"
-  integrity sha512-Mxi6lwOmjwIjC1X4gABXMJcKHsOo0xWl3E3ugOgufB8GJU+MqrtY35aBuvCYv/razQ1Vbp7h1gWJjGjoNN5pmA==
+react-virtualized-auto-sizer@1.0.24:
+  version "1.0.24"
+  resolved "https://registry.yarnpkg.com/react-virtualized-auto-sizer/-/react-virtualized-auto-sizer-1.0.24.tgz#3ebdc92f4b05ad65693b3cc8e7d8dd54924c0227"
+  integrity sha512-3kCn7N9NEb3FlvJrSHWGQ4iVl+ydQObq2fHMn12i5wbtm74zHOPhz/i64OL3c1S1vi9i2GXtZqNqUJTQ+BnNfg==
 
 react-window@1.8.7:
   version "1.8.7"