diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2a781ad..0bfb4bc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,13 +2,13 @@ name: CI
 on: [push, pull_request]
 env:
   BUILD_NUMBER: ${{ github.run_number }}
-  CMAKE_BUILD_PARALLEL_LEVEL: 3
+  CMAKE_BUILD_PARALLEL_LEVEL: 4
 jobs:
   macos:
     name: Build on macOS
     runs-on: macos-latest
     env:
-      MACOSX_DEPLOYMENT_TARGET: 11.0
+      MACOSX_DEPLOYMENT_TARGET: 12.0
       HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK: 1
     steps:
     - name: Checkout
@@ -24,18 +24,18 @@ jobs:
   ubuntu:
     name: Build on Ubuntu to ${{ matrix.container }}
     runs-on: ubuntu-latest
-    container: ${{ matrix.container }}
+    container: ubuntu:${{ matrix.container }}
     strategy:
       matrix:
-        container: ['ubuntu:20.04', 'ubuntu:22.04']
+        container: ['20.04', '22.04', '24.04']
     env:
       DEBIAN_FRONTEND: noninteractive
     steps:
     - name: Install dependencies
-      if: matrix.container == 'ubuntu:20.04'
+      if: matrix.container == '20.04'
       run: apt update -qq && apt install --no-install-recommends -y git ca-certificates build-essential pkg-config cmake libpcsclite-dev libssl-dev qttools5-dev-tools qttools5-dev
     - name: Install dependencies
-      if: matrix.container != 'ubuntu:20.04'
+      if: matrix.container != '20.04'
       run: apt update -qq && apt install --no-install-recommends -y git ca-certificates build-essential pkg-config cmake libpcsclite-dev libssl-dev libgl-dev qt6-tools-dev qt6-tools-dev-tools qt6-l10n-tools
     - name: Checkout
       uses: actions/checkout@v4
@@ -57,12 +57,12 @@ jobs:
       uses: lukka/run-vcpkg@v7
       with:
         vcpkgArguments: openssl
-        vcpkgGitCommitId: 1f619be01b436b796dab797dd1e1721c5676f8ac
+        vcpkgGitCommitId: 18b028fe785e707265fa0e35590b7537ae1d12ea
         vcpkgTriplet: x64-windows
     - name: Install Qt
-      uses: jurplel/install-qt-action@v3
+      uses: jurplel/install-qt-action@v4
       with:
-        version: 6.6.1
+        version: 6.7.1
         arch: win64_msvc2019_64
     - name: Build
       run: |
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cb58b65..2739a59 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -47,13 +47,19 @@ if( CONFIG_URL )
 	if( LAST_CHECK_DAYS )
 		set_source_files_properties(Configuration.cpp PROPERTIES COMPILE_DEFINITIONS LAST_CHECK_DAYS=${LAST_CHECK_DAYS})
 	endif()
-	file( DOWNLOAD ${CONFIG_URL} ${CMAKE_CURRENT_BINARY_DIR}/config.json )
-	string( REPLACE ".json" ".rsa" RSA_URL ${CONFIG_URL} )
-	file( DOWNLOAD ${RSA_URL} ${CMAKE_CURRENT_BINARY_DIR}/config.rsa )
-	string( REPLACE ".json" ".pub" PUB_URL ${CONFIG_URL} )
-	file( DOWNLOAD ${PUB_URL} ${CMAKE_CURRENT_BINARY_DIR}/config.pub )
-	configure_file( config.qrc config.qrc COPYONLY )
-	qt_add_resources(CONFIG_SOURCES ${CMAKE_CURRENT_BINARY_DIR}/config.qrc)
+	if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/config.json AND
+		EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/config.rsa AND
+		EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/config.pub)
+		qt_add_resources(CONFIG_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/config.qrc)
+	else()
+		file(DOWNLOAD ${CONFIG_URL} ${CMAKE_CURRENT_BINARY_DIR}/config.json)
+		string(REPLACE ".json" ".rsa" RSA_URL ${CONFIG_URL} )
+		file(DOWNLOAD ${RSA_URL} ${CMAKE_CURRENT_BINARY_DIR}/config.rsa)
+		string(REPLACE ".json" ".pub" PUB_URL ${CONFIG_URL} )
+		file(DOWNLOAD ${PUB_URL} ${CMAKE_CURRENT_BINARY_DIR}/config.pub)
+		configure_file(config.qrc config.qrc COPYONLY)
+		qt_add_resources(CONFIG_SOURCES ${CMAKE_CURRENT_BINARY_DIR}/config.qrc)
+	endif()
 	target_compile_definitions(qdigidoccommon PUBLIC CONFIG_URL="${CONFIG_URL}")
-	target_sources(qdigidoccommon PRIVATE ${CONFIG_SOURCES} Configuration.cpp )
+	target_sources(qdigidoccommon PRIVATE ${CONFIG_SOURCES} Configuration.cpp)
 endif()