diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index d012cf38b..e84b1031d 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -11,12 +11,12 @@ on:
 jobs:
   tests:
     name: Run Xcode Tests
-    runs-on: macos-14
+    runs-on: macos-15
     strategy:
       matrix:
-        xcode: ["16.0"]
-        ios_version: ["18.0"]
-        device_name: ["iPhone 15"]
+        xcode: ["16.1"]
+        ios_version: ["18.1"]
+        device_name: ["iPhone 16"]
         
     steps:
       - name: Checkout
diff --git a/Zotero.xcodeproj/project.pbxproj b/Zotero.xcodeproj/project.pbxproj
index 1c1bed36a..f0857dd55 100644
--- a/Zotero.xcodeproj/project.pbxproj
+++ b/Zotero.xcodeproj/project.pbxproj
@@ -6662,7 +6662,7 @@
 			repositoryURL = "https://github.com/Quick/Nimble";
 			requirement = {
 				kind = exactVersion;
-				version = 13.6.0;
+				version = 13.6.2;
 			};
 		};
 		B356A38E2524A6BA003F1943 /* XCRemoteSwiftPackageReference "Quick" */ = {
@@ -6694,7 +6694,7 @@
 			repositoryURL = "https://github.com/realm/realm-cocoa";
 			requirement = {
 				kind = exactVersion;
-				version = 10.54.0;
+				version = 10.54.1;
 			};
 		};
 		B35E4B8B25248B3C000EA134 /* XCRemoteSwiftPackageReference "RxSwift" */ = {
@@ -6710,7 +6710,7 @@
 			repositoryURL = "https://github.com/PSPDFKit/PSPDFKit-SP";
 			requirement = {
 				kind = exactVersion;
-				version = 14.1.0;
+				version = 14.2.0;
 			};
 		};
 		B3D84BEE27919FDE005DDD7C /* XCRemoteSwiftPackageReference "Starscream" */ = {
diff --git a/Zotero.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved b/Zotero.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
index 53ba3f2db..1bac3660c 100644
--- a/Zotero.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ b/Zotero.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
@@ -51,8 +51,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/Quick/Nimble",
       "state" : {
-        "revision" : "6416749c3c0488664fff6b42f8bf3ea8dc282ca1",
-        "version" : "13.6.0"
+        "revision" : "f3bedd7c2a858f4513e7d004def200a69238db2f",
+        "version" : "13.6.2"
       }
     },
     {
@@ -78,8 +78,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/PSPDFKit/PSPDFKit-SP",
       "state" : {
-        "revision" : "16bc87c8d6dc3af0c57ecaf12a69ca6b58634531",
-        "version" : "14.1.0"
+        "revision" : "3cdcac00ee7bce16b96d7aafcdc56b5837773d55",
+        "version" : "14.2.0"
       }
     },
     {
@@ -96,8 +96,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/realm/realm-cocoa",
       "state" : {
-        "revision" : "863498d37a9f0e72caa65963da9641d8cdfc8228",
-        "version" : "10.54.0"
+        "revision" : "5553cfd1c789efdb3d6daf7f0cc0733cfe601846",
+        "version" : "10.54.1"
       }
     },
     {
@@ -105,8 +105,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/realm/realm-core.git",
       "state" : {
-        "revision" : "e474a8d2270a8b12ac63ac9504e4757e39814b99",
-        "version" : "14.13.0"
+        "revision" : "85eeca41654cc9070ad81a21a4b1d153ad467c33",
+        "version" : "14.13.1"
       }
     },
     {
diff --git a/Zotero/Scenes/Detail/PDF/PDFCoordinator.swift b/Zotero/Scenes/Detail/PDF/PDFCoordinator.swift
index fc957e132..319c5e0cf 100644
--- a/Zotero/Scenes/Detail/PDF/PDFCoordinator.swift
+++ b/Zotero/Scenes/Detail/PDF/PDFCoordinator.swift
@@ -27,7 +27,6 @@ protocol PdfReaderCoordinatorDelegate: AnyObject {
     func show(error: PDFDocumentExporter.Error)
     func share(url: URL, barButton: UIBarButtonItem)
     func share(text: String, rect: CGRect, view: UIView, userInterfaceStyle: UIUserInterfaceStyle)
-    func lookup(text: String, rect: CGRect, view: UIView, userInterfaceStyle: UIUserInterfaceStyle)
     func showDeletedAlertForPdf(completion: @escaping (Bool) -> Void)
     func showSettings(with settings: PDFSettings, sender: UIBarButtonItem) -> ViewModel<ReaderSettingsActionHandler>
     func showReader(document: Document, userInterfaceStyle: UIUserInterfaceStyle)
@@ -297,18 +296,6 @@ extension PDFCoordinator: PdfReaderCoordinatorDelegate {
         self.share(item: text, sourceView: .view(view, rect), userInterfaceStyle: userInterfaceStyle)
     }
 
-    func lookup(text: String, rect: CGRect, view: UIView, userInterfaceStyle: UIUserInterfaceStyle) {
-        DDLogInfo("PDFCoordinator: show lookup")
-        // When presented as a popover, UIReferenceLibraryViewController ignores overrideUserInterfaceStyle, so we wrap it in a navigation controller to force it.
-        let controller = UINavigationController(rootViewController: UIReferenceLibraryViewController(term: text))
-        controller.setNavigationBarHidden(true, animated: false)
-        controller.overrideUserInterfaceStyle = userInterfaceStyle
-        controller.modalPresentationStyle = .popover
-        controller.popoverPresentationController?.sourceView = view
-        controller.popoverPresentationController?.sourceRect = rect
-        self.navigationController?.present(controller, animated: true, completion: nil)
-    }
-
     func show(error: PDFReaderState.Error) {
         let title: String
         let message: String
diff --git a/Zotero/Scenes/Detail/PDF/Views/PDFDocumentViewController.swift b/Zotero/Scenes/Detail/PDF/Views/PDFDocumentViewController.swift
index 1c9ed23cf..26224fe22 100644
--- a/Zotero/Scenes/Detail/PDF/Views/PDFDocumentViewController.swift
+++ b/Zotero/Scenes/Detail/PDF/Views/PDFDocumentViewController.swift
@@ -782,9 +782,6 @@ extension PDFDocumentViewController: PDFViewControllerDelegate {
                         return action
                     }
 
-                case .PSPDFKit.accessibility:
-                    return action
-
                 case .share:
                     guard action.identifier == .PSPDFKit.share else { return nil }
                     return action.replacing(handler: { [weak self] _ in
@@ -799,17 +796,6 @@ extension PDFDocumentViewController: PDFViewControllerDelegate {
 
                 case .pspdfkitActions:
                     switch action.identifier {
-                    case .PSPDFKit.define:
-                        return action.replacing(title: L10n.lookUp, handler: { [weak self] _ in
-                            guard let self else { return }
-                            coordinatorDelegate?.lookup(
-                                text: glyphs.text,
-                                rect: pageView.convert(glyphs.boundingBox, from: pageView.pdfCoordinateSpace),
-                                view: pageView,
-                                userInterfaceStyle: viewModel.state.settings.appearanceMode.userInterfaceStyle
-                            )
-                        })
-
                     case .PSPDFKit.searchDocument:
                         return action.replacing(handler: { [weak self] _ in
                             guard let self, let pdfController else { return }