diff --git a/electron/package-lock.json b/electron/package-lock.json
index 997ad9af6..b87aadeae 100644
--- a/electron/package-lock.json
+++ b/electron/package-lock.json
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-      "license": "Apache-2.0",
-      "engines": {
-        "node": ">=0.8"
-      }
-    },
-    "node_modules/word": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/word/-/word-0.3.0.tgz",
-      "integrity": "sha512-OELeY0Q61OXpdUfTp+oweA/vtLVg5VDOXh+3he3PNzLGG/y0oylSOC1xRVj0+l4vQ3tj/bB1HVHv1ocXkQceFA==",
-      "license": "Apache-2.0",
-      "engines": {
-        "node": ">=0.8"
-      }
-    },
     "node_modules/word-wrap": {
       "version": "1.2.5",
       "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
@@ -12183,19 +12121,10 @@
       }
     },
     "node_modules/xlsx": {
-      "version": "0.18.5",
-      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.18.5.tgz",
-      "integrity": "sha512-dmg3LCjBPHZnQp5/F/+nnTa+miPJxUXB6vtk42YjBBKayDNagxGEeIdWApkYPOf3Z3pm3k62Knjzp7lMeTEtFQ==",
+      "version": "0.20.3",
+      "resolved": "https://cdn.sheetjs.com/xlsx-0.20.3/xlsx-0.20.3.tgz",
+      "integrity": "sha512-oLDq3jw7AcLqKWH2AhCpVTZl8mf6X2YReP+Neh0SJUzV/BdZYjth94tG5toiMB1PPrYtxOCfaoUCkvtuH+3AJA==",
       "license": "Apache-2.0",
-      "dependencies": {
-        "adler-32": "~1.3.0",
-        "cfb": "~1.2.1",
-        "codepage": "~1.15.0",
-        "crc-32": "~1.2.1",
-        "ssf": "~0.11.2",
-        "wmf": "~1.0.1",
-        "word": "~0.3.0"
-      },
       "bin": {
         "xlsx": "bin/xlsx.njs"
       },
@@ -12279,6 +12208,7 @@
       "resolved": "https://registry.npmjs.org/zod/-/zod-4.3.5.tgz",
       "integrity": "sha512-k7Nwx6vuWx1IJ9Bjuf4Zt1PEllcwe7cls3VNzm4CQ1/hgtFUK2bRNG3rvnpPUhFjmqJKAKtjV576KnUkHocg/g==",
       "license": "MIT",
+      "peer": true,
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }
diff --git a/electron/package.json b/electron/package.json
index 4c8df60c3..461565934 100644
--- a/electron/package.json
+++ b/electron/package.json
@@ -99,7 +99,7 @@
     "tailwind-merge": "^3.0.1",
     "tailwindcss-animate": "^1.0.7",
     "uplot": "^1.6.32",
-    "xlsx": "^0.18.5",
+    "xlsx": "https://cdn.sheetjs.com/xlsx-0.20.3/xlsx-0.20.3.tgz",
     "zod": "^4.3.5",
     "zod-validation-error": "^5.0.0",
     "zustand": "^5.0.8"
diff --git a/nixos/packages/electron.nix b/nixos/packages/electron.nix
index 26798a518..fd96f9aff 100644
--- a/nixos/packages/electron.nix
+++ b/nixos/packages/electron.nix
@@ -10,7 +10,7 @@ buildNpmPackage rec {
   ELECTRON_SKIP_BINARY_DOWNLOAD = 1;
 
   makeCacheWritable = true;
-  npmDepsHash = "sha256-+3dM745XNntgu6M5DQxb5Bsda8z/Q+55CRll+mIrN+k=";
+  npmDepsHash = "";
   npmFlags = [ "--no-audit" "--no-fund" ];
 
   installPhase = ''