diff --git a/CMakeLists.txt b/CMakeLists.txt
index b2b2cdb..a550e0c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ set(META_VERSION_MAJOR 0)
 set(META_VERSION_MINOR 0)
 set(META_VERSION_PATCH 1)
 set(META_VERSION_EXACT_SONAME ON)
-set(META_CXX_STANDARD 20)
+set(META_CXX_STANDARD 23)
 
 project(${META_PROJECT_NAME})
 
diff --git a/librepomgr/multisession.h b/librepomgr/multisession.h
index 06331a8..1359790 100644
--- a/librepomgr/multisession.h
+++ b/librepomgr/multisession.h
@@ -14,7 +14,7 @@ namespace LibRepoMgr {
 template <typename SessionResponse> class MultiSession {
 public:
     using ContainerType = std::vector<SessionResponse>;
-    using HandlerType = std::function<void(ContainerType &&)>;
+    using HandlerType = std::move_only_function<void(ContainerType &&)>;
     using SharedPointerType = std::shared_ptr<MultiSession<SessionResponse>>;
 
     explicit MultiSession(boost::asio::io_context &ioContext, HandlerType &&handler);
diff --git a/librepomgr/webapi/routes.cpp b/librepomgr/webapi/routes.cpp
index 6577dff..5bdce59 100644
--- a/librepomgr/webapi/routes.cpp
+++ b/librepomgr/webapi/routes.cpp
@@ -324,24 +324,24 @@ void getPackages(const Params &params, ResponseHandler &&handler)
     // retrieve packages from AUR
     auto log = LogContext();
     auto handleAurResponse
-        = [handler{ std::move(handler) }, params{ std::move(params) }, document{ make_shared<RAPIDJSON_NAMESPACE::Document>(std::move(document)) },
+        = [handler{ std::move(handler) }, params{ std::move(params) }, document{ std::move(document) },
               details](WebClient::AurQuerySession::ContainerType &&queriedAurPackages) mutable {
               auto aurPackageSearchResults = std::vector<PackageSearchResult>();
               aurPackageSearchResults.reserve(queriedAurPackages.size());
               auto configLock = params.setup.config.lockToRead();
-              auto documentArray = document->GetArray();
+              auto documentArray = document.GetArray();
               if (details) {
                   for (auto &[packageID, package] : queriedAurPackages) {
-                      ReflectiveRapidJSON::JsonReflector::push(std::move(package), documentArray, document->GetAllocator());
+                      ReflectiveRapidJSON::JsonReflector::push(std::move(package), documentArray, document.GetAllocator());
                   }
               } else if (!queriedAurPackages.empty()) {
                   for (auto &[packageID, package] : queriedAurPackages) {
                       ReflectiveRapidJSON::JsonReflector::push(
-                          PackageSearchResult{ params.setup.config.aur, std::move(package), packageID }, documentArray, document->GetAllocator());
+                          PackageSearchResult{ params.setup.config.aur, std::move(package), packageID }, documentArray, document.GetAllocator());
                   }
               }
               configLock.unlock();
-              handler(makeJson(params.request(), *document, params.target.hasPrettyFlag()));
+              handler(makeJson(params.request(), document, params.target.hasPrettyFlag()));
           };
     if (mode == Mode::Name) {
         WebClient::queryAurPackages(log, params.setup, neededAurPackages, params.setup.webServer.ioContext, std::move(handleAurResponse));