diff --git a/config/scripts/electron-runtime-floor.test.ts b/config/scripts/electron-runtime-floor.test.ts
index 77a1d4741e0..3506b736398 100644
--- a/config/scripts/electron-runtime-floor.test.ts
+++ b/config/scripts/electron-runtime-floor.test.ts
@@ -7,10 +7,12 @@ import { describe, expect, it } from 'vitest'
  * around `gtk_init()` while FontConfig warmed up on a pool thread, and below
  * glibc 2.41 that frees `environ` under a concurrent `getenv()` — a launch-time
  * use-after-free on every Ubuntu we support (stablyai/orca#20081). 43.7.0 stops
- * freeing the published `environ`. A downgrade past it re-ships that crash, and
- * nothing else in the tree would notice.
+ * freeing the published `environ`. 43.7.0 itself threw `Invalid guestInstanceId` when a
+ * loaded `<webview>` left the DOM, which blanked browser tabs React re-inserted
+ * (electron/electron#53989); 43.7.4 fixes it. A downgrade past either re-ships the bug,
+ * and nothing else in the tree would notice.
  */
-const MINIMUM_ELECTRON_VERSION = '43.7.0'
+const MINIMUM_ELECTRON_VERSION = '43.7.4'
 
 function parseVersion(specifier: string): [number, number, number] {
   const match = /(\d+)\.(\d+)\.(\d+)/.exec(specifier)
@@ -35,15 +37,17 @@ describe('electron runtime floor', () => {
   it.each([
     ['42.9.0', false],
     ['43.6.0', false],
-    ['43.7.0', true],
-    ['43.7.1', true],
+    ['43.7.0', false],
+    ['43.7.3', false],
+    ['43.7.4', true],
+    ['43.7.5', true],
     ['43.8.0', true],
     ['44.0.0', true]
   ])('reads %s as meeting the floor: %s', (specifier, expected) => {
     expect(meetsRuntimeFloor(specifier)).toBe(expected)
   })
 
-  it('pins Electron at or above the glibc environ-race fix', () => {
+  it('pins Electron at or above the glibc environ-race and webview-detach fixes', () => {
     const packageJson = JSON.parse(
       readFileSync(join(__dirname, '../../package.json'), 'utf-8')
     ) as { devDependencies: Record<string, string> }
diff --git a/package.json b/package.json
index 9ba088dcc4e..feec79fee07 100644
--- a/package.json
+++ b/package.json
@@ -256,7 +256,7 @@
     "cmdk": "^1.1.1",
     "diff": "8.0.4",
     "dompurify": "3.4.15",
-    "electron": "43.7.0",
+    "electron": "43.7.5",
     "electron-builder": "^26.15.3",
     "electron-builder-squirrel-windows": "^26.15.3",
     "electron-vite": "^5.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 1d2fe31772f..3d82edc51bf 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -128,7 +128,7 @@ importers:
         version: 0.3.251(@anthropic-ai/sdk@0.122.0(zod@4.6.5))(@modelcontextprotocol/sdk@1.30.0(supports-color@7.2.0)(zod@4.6.5))(zod@4.6.5)
       '@electron-toolkit/utils':
         specifier: ^4.0.0
-        version: 4.0.0(electron@43.7.0(supports-color@7.2.0))
+        version: 4.0.0(electron@43.7.5(supports-color@7.2.0))
       '@floating-ui/dom':
         specifier: 1.8.0
         version: 1.8.0
@@ -365,8 +365,8 @@ importers:
         specifier: 3.4.15
         version: 3.4.15
       electron:
-        specifier: 43.7.0
-        version: 43.7.0(supports-color@7.2.0)
+        specifier: 43.7.5
+        version: 43.7.5(supports-color@7.2.0)
       electron-builder:
         specifier: ^26.15.3
         version: 26.15.3(electron-builder-squirrel-windows@26.15.3)
@@ -4770,8 +4770,8 @@ packages:
     resolution: {integrity: sha512-bO3y10YikuUwUuDUQRM4KfwNkKhnpVO7IPdbsrejwN9/AABJzzTQ4GeHwyzNSrVO+tEH3/Np255a3sVZpZDjvg==}
     engines: {node: '>=8.0.0'}
 
-  electron@43.7.0:
-    resolution: {integrity: sha512-m98FUehwnoo6q2D9Mr+n602Natb2CRFeKD81GhTdJlKh/Iyud0R1X8hChjpaMBLSsIX9r2ZEFnz0sdIALiO9ZQ==}
+  electron@43.7.5:
+    resolution: {integrity: sha512-AR+OLH/8QAwx6Lz6mhaDQhesbjC/Xh2WOiFSI/CDFU6FKX/qJdBg65bEUn+MLvbvIi/LlaRQeLljnUcKb1KS0A==}
     engines: {node: '>= 22.12.0'}
     hasBin: true
 
@@ -7965,9 +7965,9 @@ snapshots:
     dependencies:
       '@types/node': 25.9.5
 
-  '@electron-toolkit/utils@4.0.0(electron@43.7.0(supports-color@7.2.0))':
+  '@electron-toolkit/utils@4.0.0(electron@43.7.5(supports-color@7.2.0))':
     dependencies:
-      electron: 43.7.0(supports-color@7.2.0)
+      electron: 43.7.5(supports-color@7.2.0)
 
   '@electron/asar@3.4.1':
     dependencies:
@@ -11628,7 +11628,7 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  electron@43.7.0(supports-color@7.2.0):
+  electron@43.7.5(supports-color@7.2.0):
     dependencies:
       '@electron-internal/extract-zip': 1.0.4
       '@electron/get': 5.0.0(supports-color@7.2.0)
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 1cf67829478..e8a845e1975 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -16,7 +16,6 @@ minimumReleaseAge: 4320
 minimumReleaseAgeExclude:
   - pdfjs-dist@6.3.289
   - zod@4.5.4
-  - electron@43.7.0
   - '@shadcn/lint@0.1.0'
 shamefullyHoist: true