diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 53735cf..dc61369 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -3,10 +3,16 @@ name: Nightly
 on: 
   schedule: 
     - cron: "0 8 * * *"
+  workflow_dispatch:
+  
 jobs:
   build:
 #     runs-on: macOS-latest
     runs-on: macos-15
+    permissions:
+      id-token: write
+      contents: write
+      attestations: write
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v5
@@ -30,22 +36,23 @@ jobs:
             sed -i '' -e "s/GITHUB_BUILD_URL/https:\/\/github.com\/maxgoedjen\/secretive\/actions\/runs\/$RUN_ID/g" Sources/Secretive/Credits.rtf
     - name: Build
       run: xcrun xcodebuild -project Sources/Secretive.xcodeproj -scheme Secretive -configuration Release -archivePath Archive.xcarchive archive
-    - name: Create ZIPs
+    - name: Create ZIP
       run: |
             ditto -c -k --sequesterRsrc --keepParent Archive.xcarchive/Products/Applications/Secretive.app ./Secretive.zip
-            ditto -c -k --sequesterRsrc --keepParent Archive.xcarchive ./Archive.zip
     - name: Notarize
       env: 
         APPLE_API_KEY_ID: ${{ secrets.APPLE_API_KEY_ID }}
         APPLE_API_ISSUER: ${{ secrets.APPLE_API_ISSUER }}
       run: xcrun notarytool submit --key ~/.private_keys/AuthKey_$APPLE_API_KEY_ID.p8 --key-id $APPLE_API_KEY_ID --issuer $APPLE_API_ISSUER Secretive.zip
-    - name: Attest
-      id: attest
-      uses: actions/attest-build-provenance@v2
-      with:
-        subject-path: 'Secretive.zip'
     - name: Upload App to Artifacts
+      id: upload
       uses: actions/upload-artifact@v4
       with:
         name: Secretive.zip
         path: Secretive.zip
+    - name: Attest
+      id: attest
+      uses: actions/attest-build-provenance@v2
+      with:
+        subject-name: "Secretive.zip"
+        subject-digest: sha256:${{ steps.upload.outputs.artifact-digest }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ebd0b01..da81788 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -56,39 +56,34 @@ jobs:
             sed -i '' -e "s/GITHUB_BUILD_URL/https:\/\/github.com\/maxgoedjen\/secretive\/actions\/runs\/$RUN_ID/g" Sources/Secretive/Credits.rtf
     - name: Build
       run: xcrun xcodebuild -project Sources/Secretive.xcodeproj -scheme Secretive -configuration Release -archivePath Archive.xcarchive archive
-    - name: Create ZIPs
+    - name: Create ZIP
       run: |
             ditto -c -k --sequesterRsrc --keepParent Archive.xcarchive/Products/Applications/Secretive.app ./Secretive.zip
-            ditto -c -k --sequesterRsrc --keepParent Archive.xcarchive ./Xcode_Archive.zip
     - name: Notarize
       env: 
         APPLE_API_KEY_ID: ${{ secrets.APPLE_API_KEY_ID }}
         APPLE_API_ISSUER: ${{ secrets.APPLE_API_ISSUER }}
       run: xcrun notarytool submit --key ~/.private_keys/AuthKey_$APPLE_API_KEY_ID.p8 --key-id $APPLE_API_KEY_ID --issuer $APPLE_API_ISSUER Secretive.zip
+    - name: Upload App to Artifacts
+      id: upload
+      uses: actions/upload-artifact@v4
+      with:
+        name: Secretive.zip
+        path: Secretive.zip
     - name: Attest
       id: attest
       uses: actions/attest-build-provenance@v2
       with:
-        subject-path: 'Secretive.zip, Xcode_Archive.zip'
+        subject-name: "Secretive.zip"
+        subject-digest: ${{ steps.upload.outputs.artifact-digest }}
     - name: Create Release
       run: |
             sed -i.tmp "s/RUN_ID/$RUN_ID/g" .github/templates/release.md
             sed -i.tmp "s/ATTESTATION_ID/$ATTESTATION_ID/g" .github/templates/release.md
             gh release create $TAG_NAME -d -F .github/templates/release.md
             gh release upload Secretive.zip
-            gh release upload Xcode_Archive.zip
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         TAG_NAME: ${{ github.ref }}
         RUN_ID: ${{ github.run_id }}
         ATTESTATION_ID: ${{ steps.attest.outputs.attestation-id }}
-    - name: Upload App to Artifacts
-      uses: actions/upload-artifact@v4
-      with:
-        name: Secretive.zip
-        path: Secretive.zip
-    - name: Upload Archive to Artifacts
-      uses: actions/upload-artifact@v4
-      with:
-        name: Xcode_Archive.zip
-        path: Xcode_Archive.zip
diff --git a/Sources/Packages/Sources/SecureEnclaveSecretKit/CryptoKitMigrator.swift b/Sources/Packages/Sources/SecureEnclaveSecretKit/CryptoKitMigrator.swift
index ddcc042..a4c69d2 100644
--- a/Sources/Packages/Sources/SecureEnclaveSecretKit/CryptoKitMigrator.swift
+++ b/Sources/Packages/Sources/SecureEnclaveSecretKit/CryptoKitMigrator.swift
@@ -30,7 +30,7 @@ extension SecureEnclave {
             SecItemCopyMatching(privateAttributes, &privateUntyped)
             guard let privateTyped = privateUntyped as? [[CFString: Any]] else { return }
             let migratedPublicKeys = Set(store.secrets.map(\.publicKey))
-            var migrated = false
+            var migratedAny = false
             for key in privateTyped {
                 let name = key[kSecAttrLabel] as? String ?? String(localized: .unnamedSecret)
                 let id = key[kSecAttrApplicationLabel] as! Data
@@ -45,20 +45,24 @@ extension SecureEnclave {
                 // Best guess.
                 let auth: AuthenticationRequirement = String(describing: accessControl)
                     .contains("DeviceOwnerAuthentication") ? .presenceRequired : .unknown
-                let parsed = try CryptoKit.SecureEnclave.P256.Signing.PrivateKey(dataRepresentation: tokenObjectID)
-                let secret = Secret(id: UUID().uuidString, name: name, publicKey: parsed.publicKey.x963Representation, attributes: Attributes(keyType: .init(algorithm: .ecdsa, size: 256), authentication: auth))
-                guard !migratedPublicKeys.contains(parsed.publicKey.x963Representation) else {
-                    logger.log("Skipping \(name), public key already present. Marking as migrated.")
+                do {
+                    let parsed = try CryptoKit.SecureEnclave.P256.Signing.PrivateKey(dataRepresentation: tokenObjectID)
+                    let secret = Secret(id: UUID().uuidString, name: name, publicKey: parsed.publicKey.x963Representation, attributes: Attributes(keyType: .init(algorithm: .ecdsa, size: 256), authentication: auth))
+                    guard !migratedPublicKeys.contains(parsed.publicKey.x963Representation) else {
+                        logger.log("Skipping \(name), public key already present. Marking as migrated.")
+                        try markMigrated(secret: secret, oldID: id)
+                        continue
+                    }
+                    logger.log("Migrating \(name).")
+                    try store.saveKey(tokenObjectID, name: name, attributes: secret.attributes)
+                    logger.log("Migrated \(name).")
                     try markMigrated(secret: secret, oldID: id)
-                    continue
+                    migratedAny = true
+                } catch {
+                    logger.error("Failed to migrate \(name): \(error).")
                 }
-                logger.log("Migrating \(name).")
-                try store.saveKey(tokenObjectID, name: name, attributes: secret.attributes)
-                logger.log("Migrated \(name).")
-                try markMigrated(secret: secret, oldID: id)
-                migrated = true
             }
-            if migrated {
+            if migratedAny {
                 store.reloadSecrets()
             }
         }