diff --git a/.github/workflows/build-arch.yml b/.github/workflows/build-arch.yml
index 78e7eed..73f1a10 100644
--- a/.github/workflows/build-arch.yml
+++ b/.github/workflows/build-arch.yml
@@ -28,7 +28,7 @@ jobs:
         submodules: true
     - name: Configure with CMake and Ninja
       run: |
-        cmake -B build -G Ninja \
+        CC=clang CXX=clang++ cmake -B build -G Ninja \
           -DCMAKE_BUILD_TYPE=Release \
           -DCMAKE_INSTALL_PREFIX=./build-release
     - name: Build with Ninja
diff --git a/.github/workflows/build-debian.yml b/.github/workflows/build-debian.yml
index a85bd2a..5bed5dd 100644
--- a/.github/workflows/build-debian.yml
+++ b/.github/workflows/build-debian.yml
@@ -31,7 +31,7 @@ jobs:
         submodules: true
     - name: Configure with CMake and Ninja
       run: |
-        cmake -B build -G Ninja \
+        CC=clang CXX=clang++ cmake -B build -G Ninja \
           -DCMAKE_BUILD_TYPE=Release \
           -DCMAKE_INSTALL_PREFIX=./build-release
     - name: Build with Ninja
diff --git a/.github/workflows/build-fedora.yml b/.github/workflows/build-fedora.yml
index ad9df25..299996c 100644
--- a/.github/workflows/build-fedora.yml
+++ b/.github/workflows/build-fedora.yml
@@ -30,7 +30,7 @@ jobs:
         submodules: true
     - name: Configure with CMake and Ninja
       run: |
-        cmake -B build -G Ninja \
+        CC=clang CXX=clang++ cmake -B build -G Ninja \
           -DCMAKE_BUILD_TYPE=Release \
           -DCMAKE_INSTALL_PREFIX=./build-release
     - name: Build with Ninja
diff --git a/.github/workflows/build-ubuntu.yml b/.github/workflows/build-ubuntu.yml
index 6b8c467..e5c941e 100644
--- a/.github/workflows/build-ubuntu.yml
+++ b/.github/workflows/build-ubuntu.yml
@@ -42,7 +42,7 @@ jobs:
         submodules: true
     - name: Configure with CMake and Ninja
       run: |
-        cmake -B build -G Ninja \
+        CC=clang CXX=clang++ cmake -B build -G Ninja \
           -DCMAKE_BUILD_TYPE=Release \
           -DCMAKE_INSTALL_PREFIX=./build-release
     - name: Build with Ninja
diff --git a/CMakeLists.txt b/CMakeLists.txt
index be921ee..80be538 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,8 +1,5 @@
 cmake_minimum_required(VERSION 3.28)
 
-set(CMAKE_C_COMPILER clang)
-set(CMAKE_CXX_COMPILER clang++)
-
 set(CMAKE_SKIP_RPATH ON)
 
 # subprojects