diff --git a/.github/workflows/build-view.yml b/.github/workflows/build-view.yml
index b98b265f..f5190e39 100644
--- a/.github/workflows/build-view.yml
+++ b/.github/workflows/build-view.yml
@@ -89,7 +89,7 @@ jobs:
           # Increase file descriptor limit to prevent EMFILE errors during signing
           # This is needed because electron-builder signs all files recursively,
           # and Python venvs contain thousands of files
-          ulimit -n 10240
+          ulimit -n 65536 || ulimit -n 10240
           echo "File descriptor limit set to: $(ulimit -n)"
           npm run build -- --arch ${{ matrix.arch }}
         env:
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 136ffa2c..2f5b8a15 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -92,7 +92,11 @@ jobs:
       # Step for macOS builds with signing
       - name: Build Release Files (macOS with signing)
         if: runner.os == 'macOS'
-        run: npm run build -- --arch ${{ matrix.arch }}
+        run: |
+          # Increase file descriptor limit to prevent EMFILE errors during signing
+          ulimit -n 65536 || ulimit -n 10240
+          echo "File descriptor limit set to: $(ulimit -n)"
+          npm run build -- --arch ${{ matrix.arch }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           CSC_LINK: ${{ secrets.CERT_P12 }}
diff --git a/electron-builder.json b/electron-builder.json
index c2c669cb..42b4446b 100644
--- a/electron-builder.json
+++ b/electron-builder.json
@@ -65,6 +65,26 @@
     "hardenedRuntime": true,
     "gatekeeperAssess": false,
     "notarize": false,
+    "signIgnore": [
+      "**/*.py",
+      "**/*.pyc",
+      "**/*.pyo",
+      "**/*.pyi",
+      "**/*.typed",
+      "**/*.txt",
+      "**/*.md",
+      "**/*.rst",
+      "**/*.json",
+      "**/*.yaml",
+      "**/*.yml",
+      "**/*.toml",
+      "**/*.cfg",
+      "**/*.ini",
+      "**/*.csv",
+      "**/*.html",
+      "**/*.css",
+      "**/*.map"
+    ],
     "extendInfo": {
       "CFBundleURLTypes": [
         {