diff --git a/pkgs/by-name/ap/appium-inspector/package.nix b/pkgs/by-name/ap/appium-inspector/package.nix
index c8df903297b56..473216d965f17 100644
--- a/pkgs/by-name/ap/appium-inspector/package.nix
+++ b/pkgs/by-name/ap/appium-inspector/package.nix
@@ -2,7 +2,7 @@
   lib,
   buildNpmPackage,
   copyDesktopItems,
-  electron_36,
+  electron_38,
   fetchFromGitHub,
   makeDesktopItem,
   makeWrapper,
@@ -10,8 +10,8 @@
 }:
 
 let
-  electron = electron_36;
-  version = "2025.3.1";
+  electron = electron_38;
+  version = "2025.8.2";
 in
 
 buildNpmPackage {
@@ -22,10 +22,10 @@ buildNpmPackage {
     owner = "appium";
     repo = "appium-inspector";
     tag = "v${version}";
-    hash = "sha256-Qpk3IXoegPKLKdSSzY05cT2//45TIhyVLxESd2OeWPE=";
+    hash = "sha256-v3UN58dJ+rSdFx+99xRMI88gnJ/hgL48Lr7AMjNgXMY=";
   };
 
-  npmDepsHash = "sha256-vUqX8yUZCflfkDYssQelFfJLNhDeU3K4UJPPgvvEeaI=";
+  npmDepsHash = "sha256-rlmAZyznoLSudAf7k1mgf13CO+9mlDB3HhubPga+30Q=";
   npmFlags = [ "--ignore-scripts" ];
 
   nativeBuildInputs = [
@@ -33,6 +33,8 @@ buildNpmPackage {
     copyDesktopItems
   ];
 
+  makeCacheWritable = true;
+
   buildPhase = ''
     runHook preBuild
 
@@ -57,7 +59,7 @@ buildNpmPackage {
       --set NODE_ENV production
 
     install -m 444 -D 'app/common/renderer/assets/images/icon.png' \
-      $out/share/icons/hicolor/512x512/apps/appium-inspector.png
+      $out/share/icons/hicolor/256x256/apps/appium-inspector.png
 
     runHook postInstall
   '';