diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..cc68903
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,65 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+          - windows-latest
+          - macos-latest
+        build_type:
+          - Debug
+        config:
+          - qt_version: "6.4.2"
+
+    steps:
+      - name: Install Qt with options and default aqtversion
+        uses: jurplel/install-qt-action@v4
+        with:
+          aqtversion: null  # use whatever the default is
+          version: ${{ matrix.config.qt_version }}
+          cache: true
+
+      - name: Install ninja-build tool (must be after Qt due PATH changes)
+        uses: turtlesec-no/get-ninja@main
+
+      - name: Make sure MSVC is found when Ninja generator is in use
+        if: ${{ runner.os == 'Windows' }}
+        uses: ilammy/msvc-dev-cmd@v1
+
+      - name: Checkout sources
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Configure project
+        run: >
+          cmake -S . -B ./build -G Ninja
+          -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+          -DENABLE_MAINTAINER_CFLAGS=${{ matrix.build_type == 'Debug' }}
+          -DBUILD_SHARED_LIBS=${{ matrix.build_type == 'Debug' }}
+
+      - name: Build project
+        run: cmake --build ./build
+
+      - name: Run tests
+        id: ctest
+        if: ${{ matrix.build_type == 'Debug' }}
+        run: ctest --test-dir ./build -C ${{ matrix.build_type }} --output-on-failure
+
+      - name: Read tests log when it fails
+        uses: andstor/file-reader-action@v1
+        if: ${{ steps.ctest.conclusion == 'failure' }}
+        with:
+          path: "./build/Testing/Temporary/LastTest.log"
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
new file mode 100644
index 0000000..48a3071
--- /dev/null
+++ b/.github/workflows/nightly.yml
@@ -0,0 +1,46 @@
+name: CI Nightly
+
+on:
+  workflow_dispatch:
+
+  schedule:
+    - cron: '0 3 * * *'
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+
+        config:
+          - name: clang-tidy
+            cmake_arg: '-DCMAKE_CXX_CLANG_TIDY=clang-tidy'
+            qt_version: "6.8"
+
+          - name: clazy
+            cmake_arg: '-DCMAKE_CXX_COMPILER=clazy'
+            qt_version: "6.8"
+
+    steps:
+      - name: Install Qt ${{ matrix.config.qt_version }} with options and default aqtversion
+        uses: jurplel/install-qt-action@v4
+        with:
+          version: ${{ matrix.config.qt_version }}
+          cache: true
+
+      - name: Install ninja-build tool (must be after Qt due PATH changes)
+        uses: turtlesec-no/get-ninja@main
+
+      - uses: actions/checkout@v4
+
+      - name: Configure project
+        run: >
+          cmake -S . -B ./build -G Ninja ${{ matrix.config.cmake_arg }}
+          -DCMAKE_BUILD_TYPE=Debug
+          --warn-uninitialized -Werror=dev
+
+      - name: Build Project
+        run: cmake --build ./build
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 5453e9b..69563b1 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -4,12 +4,34 @@
 #
 # Custom C flags
 #
-if (ENABLE_MAINTAINER_CFLAGS)
-    set (MAINTAINER_CFLAGS "-Werror -Wall -Wcast-align -Wno-uninitialized -Wempty-body -Wformat-security -Wformat -Winit-self")
-    add_definitions(${MAINTAINER_CFLAGS}
-        -DQT_DEPRECATED_WARNINGS
-    )
-endif ()
+macro(set_compiler_flags targetName)
+  if(ENABLE_MAINTAINER_CFLAGS)
+    target_compile_definitions(${targetName} PRIVATE QT_DEPRECATED_WARNINGS)
+
+    if(NOT MSVC)
+      target_compile_options(${targetName} PRIVATE
+        -Wall
+        -Wextra
+        -Wcast-align
+        -Wno-uninitialized
+        -Wempty-body
+        -Wformat-security
+        -Wformat
+        -Winit-self
+        -Wunused-variable
+      )
+    endif()
+
+    if(APPLE)
+      target_compile_options(${targetName} PRIVATE -Wweak-vtables)
+    endif()
+  endif()
+
+  # Enable -Werror
+  if(NOT MSVC OR IS_CLANG_BUILD) # clang-cl accepts these too
+    target_compile_options(${targetName} PRIVATE -Werror -Wundef -Wno-error=deprecated-declarations)
+  endif()
+endmacro()
 
 add_definitions(
     -DQT_NO_KEYWORDS
@@ -53,6 +75,7 @@ add_library(${target}
     ${firebase_admin_HEADERS}
     ${firebase_admin_HEADERS_PRIVATE}
 )
+set_compiler_flags(${target})
 
 #Add an alias so that library can be used inside the build tree, e.g. when testing
 add_library(FirebaseAdminQt::Core ALIAS ${target})
diff --git a/src/firebaseadminexports.h b/src/firebaseadminexports.h
index 794bd35..e9844ae 100644
--- a/src/firebaseadminexports.h
+++ b/src/firebaseadminexports.h
@@ -8,7 +8,7 @@
 
 #include <QtCore/QtGlobal>
 
-#if defined(FirebaseAdminQt5_EXPORTS)
+#if defined(FirebaseAdminQt6_EXPORTS)
 #define FIREBASE_ADMIN_QT_EXPORT Q_DECL_EXPORT
 #else
 #define FIREBASE_ADMIN_QT_EXPORT Q_DECL_IMPORT