diff --git a/package-lock.json b/package-lock.json
index 19881b7..c2eaa79 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -66,7 +66,7 @@
         "react-day-picker": "^9.13.2",
         "react-dom": "^19.2.4",
         "react-hook-form": "^7.71.1",
-        "react-resizable-panels": "^3.0.6",
+        "react-resizable-panels": "^4.6.2",
         "react-router-dom": "^7.13.0",
         "recharts": "^3.7.0",
         "sonner": "^2.0.7",
@@ -5154,13 +5154,13 @@
       }
     },
     "node_modules/react-resizable-panels": {
-      "version": "3.0.6",
-      "resolved": "https://registry.npmjs.org/react-resizable-panels/-/react-resizable-panels-3.0.6.tgz",
-      "integrity": "sha512-b3qKHQ3MLqOgSS+FRYKapNkJZf5EQzuf6+RLiq1/IlTHw99YrZ2NJZLk4hQIzTnnIkRg2LUqyVinu6YWWpUYew==",
+      "version": "4.6.2",
+      "resolved": "https://registry.npmjs.org/react-resizable-panels/-/react-resizable-panels-4.6.2.tgz",
+      "integrity": "sha512-d6hyD6s7ewNAI+oINrZznR/08GUyAszrowXouUDztePEn/tQ2z/LEI2qRvrizYBe3TpgBi0cCjc10pXTTOc4jw==",
       "license": "MIT",
       "peerDependencies": {
-        "react": "^16.14.0 || ^17.0.0 || ^18.0.0 || ^19.0.0 || ^19.0.0-rc",
-        "react-dom": "^16.14.0 || ^17.0.0 || ^18.0.0 || ^19.0.0 || ^19.0.0-rc"
+        "react": "^18.0.0 || ^19.0.0",
+        "react-dom": "^18.0.0 || ^19.0.0"
       }
     },
     "node_modules/react-router": {
diff --git a/package.json b/package.json
index 2338cb2..6ba96ea 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
     "react-day-picker": "^9.13.2",
     "react-dom": "^19.2.4",
     "react-hook-form": "^7.71.1",
-    "react-resizable-panels": "^3.0.6",
+    "react-resizable-panels": "^4.6.2",
     "react-router-dom": "^7.13.0",
     "recharts": "^3.7.0",
     "sonner": "^2.0.7",
diff --git a/src/components/pages/downloader/playlistDownloader.tsx b/src/components/pages/downloader/playlistDownloader.tsx
index ebbb345..eb1184e 100644
--- a/src/components/pages/downloader/playlistDownloader.tsx
+++ b/src/components/pages/downloader/playlistDownloader.tsx
@@ -10,6 +10,7 @@ import { PlaylistToggleGroup, PlaylistToggleGroupItem } from "@/components/custo
 import { getMergedBestFormat } from "@/utils";
 import { Switch } from "@/components/ui/switch";
 import { FormatToggleGroup, FormatToggleGroupItem } from "@/components/custom/formatToggleGroup";
+import { Layout } from "react-resizable-panels";
 
 interface PlaylistPreviewSelectionProps {
     videoMetadata: RawVideoInfo;
@@ -348,18 +349,22 @@ export function PlaylistDownloader({ videoMetadata, audioOnlyFormats, videoOnlyF
     return (
         <div className="flex">
             <ResizablePanelGroup
-            direction="horizontal"
+            orientation="horizontal"
             className="w-full"
-            onLayout={(sizes) => setPlaylistPanelSizes(sizes)}
+            onLayoutChanged={(layout: Layout) => {
+                const firstPanelSize = layout[Object.keys(layout)[0]];
+                const secondPanelSize = layout[Object.keys(layout)[1]];
+                setPlaylistPanelSizes([firstPanelSize, secondPanelSize]);
+            }}
             >
                 <ResizablePanel
-                defaultSize={playlistPanelSizes[0]}
+                defaultSize={`${playlistPanelSizes[0]}%`}
                 >
                     <PlaylistPreviewSelection videoMetadata={videoMetadata} />
                 </ResizablePanel>
-                <ResizableHandle />
+                <ResizableHandle withHandle />
                 <ResizablePanel
-                defaultSize={playlistPanelSizes[1]}
+                defaultSize={`${playlistPanelSizes[1]}%`}
                 >
                     <div className="flex flex-col w-full pl-4">
                         <Tabs
diff --git a/src/components/pages/downloader/videoDownloader.tsx b/src/components/pages/downloader/videoDownloader.tsx
index 30d4696..baaa13b 100644
--- a/src/components/pages/downloader/videoDownloader.tsx
+++ b/src/components/pages/downloader/videoDownloader.tsx
@@ -12,6 +12,7 @@ import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
 import { Alert, AlertDescription, AlertTitle } from "@/components/ui/alert";
 import { ResizableHandle, ResizablePanel, ResizablePanelGroup } from "@/components/ui/resizable";
 import { FormatToggleGroup, FormatToggleGroupItem } from "@/components/custom/formatToggleGroup";
+import { Layout } from "react-resizable-panels";
 
 interface VideoPreviewProps {
     videoMetadata: RawVideoInfo;
@@ -325,18 +326,22 @@ export function VideoDownloader({ videoMetadata, audioOnlyFormats, videoOnlyForm
     return (
         <div className="flex">
             <ResizablePanelGroup
-            direction="horizontal"
+            orientation="horizontal"
             className="w-full"
-            onLayout={(sizes) => setVideoPanelSizes(sizes)}
+            onLayoutChanged={(layout: Layout) => {
+                const firstPanelSize = layout[Object.keys(layout)[0]];
+                const secondPanelSize = layout[Object.keys(layout)[1]];
+                setVideoPanelSizes([firstPanelSize, secondPanelSize]);
+            }}
             >
                 <ResizablePanel
-                defaultSize={videoPanelSizes[0]}
+                defaultSize={`${videoPanelSizes[0]}%`}
                 >
                     <VideoPreview videoMetadata={videoMetadata} />
                 </ResizablePanel>
-                <ResizableHandle />
+                <ResizableHandle withHandle />
                 <ResizablePanel
-                defaultSize={videoPanelSizes[1]}
+                defaultSize={`${videoPanelSizes[1]}%`}
                 >
                     <div className="flex flex-col w-full pl-4">
                         <Tabs
diff --git a/src/components/ui/resizable.tsx b/src/components/ui/resizable.tsx
index f4bc558..46d7ef6 100644
--- a/src/components/ui/resizable.tsx
+++ b/src/components/ui/resizable.tsx
@@ -1,45 +1,50 @@
 "use client"
 
-import { GripVertical } from "lucide-react"
 import * as ResizablePrimitive from "react-resizable-panels"
 
 import { cn } from "@/lib/utils"
 
-const ResizablePanelGroup = ({
+function ResizablePanelGroup({
   className,
   ...props
-}: React.ComponentProps<typeof ResizablePrimitive.PanelGroup>) => (
-  <ResizablePrimitive.PanelGroup
-    className={cn(
-      "flex h-full w-full data-[panel-group-direction=vertical]:flex-col",
-      className
-    )}
-    {...props}
-  />
-)
+}: ResizablePrimitive.GroupProps) {
+  return (
+    <ResizablePrimitive.Group
+      data-slot="resizable-panel-group"
+      className={cn(
+        "flex h-full w-full aria-[orientation=vertical]:flex-col",
+        className
+      )}
+      {...props}
+    />
+  )
+}
 
-const ResizablePanel = ResizablePrimitive.Panel
+function ResizablePanel({ ...props }: ResizablePrimitive.PanelProps) {
+  return <ResizablePrimitive.Panel data-slot="resizable-panel" {...props} />
+}
 
-const ResizableHandle = ({
+function ResizableHandle({
   withHandle,
   className,
   ...props
-}: React.ComponentProps<typeof ResizablePrimitive.PanelResizeHandle> & {
+}: ResizablePrimitive.SeparatorProps & {
   withHandle?: boolean
-}) => (
-  <ResizablePrimitive.PanelResizeHandle
-    className={cn(
-      "relative flex w-px items-center justify-center bg-border after:absolute after:inset-y-0 after:left-1/2 after:w-1 after:-translate-x-1/2 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring focus-visible:ring-offset-1 data-[panel-group-direction=vertical]:h-px data-[panel-group-direction=vertical]:w-full data-[panel-group-direction=vertical]:after:left-0 data-[panel-group-direction=vertical]:after:h-1 data-[panel-group-direction=vertical]:after:w-full data-[panel-group-direction=vertical]:after:-translate-y-1/2 data-[panel-group-direction=vertical]:after:translate-x-0 [&[data-panel-group-direction=vertical]>div]:rotate-90",
-      className
-    )}
-    {...props}
-  >
-    {withHandle && (
-      <div className="z-10 flex h-4 w-3 items-center justify-center rounded-sm border bg-border">
-        <GripVertical className="h-2.5 w-2.5" />
-      </div>
-    )}
-  </ResizablePrimitive.PanelResizeHandle>
-)
+}) {
+  return (
+    <ResizablePrimitive.Separator
+      data-slot="resizable-handle"
+      className={cn(
+        "bg-border focus-visible:ring-ring ring-offset-background relative flex w-px items-center justify-center after:absolute after:inset-y-0 after:left-1/2 after:w-1 after:-translate-x-1/2 focus-visible:ring-1 focus-visible:outline-hidden aria-[orientation=horizontal]:h-px aria-[orientation=horizontal]:w-full aria-[orientation=horizontal]:after:left-0 aria-[orientation=horizontal]:after:h-1 aria-[orientation=horizontal]:after:w-full aria-[orientation=horizontal]:after:translate-x-0 aria-[orientation=horizontal]:after:-translate-y-1/2 [&[aria-orientation=horizontal]>div]:rotate-90",
+        className
+      )}
+      {...props}
+    >
+      {withHandle && (
+        <div className="bg-border h-6 w-1 rounded-lg z-10 flex shrink-0" />
+      )}
+    </ResizablePrimitive.Separator>
+  )
+}
 
-export { ResizablePanelGroup, ResizablePanel, ResizableHandle }
+export { ResizableHandle, ResizablePanel, ResizablePanelGroup }