diff --git a/.github/workflows/mac-build.yml b/.github/workflows/mac-build.yml
index 7c4bf40c..a90b0d3b 100644
--- a/.github/workflows/mac-build.yml
+++ b/.github/workflows/mac-build.yml
@@ -25,7 +25,13 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: configure
-        run: mkdir build && cd build && cmake .. -DBUILDING_TESTS=1 -DCMAKE_BUILD_TYPE=Debug -DCMAKE_OSX_ARCHITECTURES=${{ matrix.arch }}
+        run: >
+          mkdir build && cd build &&
+          cmake .. 
+          -DBUILDING_TESTS=1
+          -DCMAKE_BUILD_TYPE=Debug
+          -DCMAKE_COMPILE_WARNING_AS_ERROR=ON
+          -DCMAKE_OSX_ARCHITECTURES=${{ matrix.arch }}
       - name: build
         run: cmake --build build
       - name: test
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 99db15ba..593f50f1 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -8,7 +8,7 @@ include(FetchContent)
 FetchContent_Declare(
   googletest
   GIT_REPOSITORY https://github.com/google/googletest.git
-  GIT_TAG        v1.15.2
+  GIT_TAG        v1.17.0
 )
 # For Windows: Prevent overriding the parent project's compiler/linker settings
 set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)