diff --git a/.github/workflows/asan.yml b/.github/workflows/asan.yml
index a10e15629..2aebeb5cc 100644
--- a/.github/workflows/asan.yml
+++ b/.github/workflows/asan.yml
@@ -29,14 +29,14 @@ jobs:
         run: |
           wget https://apt.llvm.org/llvm.sh
           chmod +x llvm.sh
-          sudo ./llvm.sh 14
+          sudo ./llvm.sh 15
 
       - name: CMake
         run: |
           cmake -S . -B cmake.output -DCMAKE_BUILD_TYPE=RelWithDebInfo -DHAVE_RULES=On -DBUILD_TESTS=On -DUSE_MATCHCOMPILER=Verify -DANALYZE_ADDRESS=On -DENABLE_CHECK_INTERNAL=On -DCPPCHK_GLIBCXX_DEBUG=Off -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On
         env:
-          CC: clang-14
-          CXX: clang++-14
+          CC: clang-15
+          CXX: clang++-15
 
       - name: Build cppcheck
         run: |
diff --git a/.github/workflows/clang-tidy.yml b/.github/workflows/clang-tidy.yml
index f2af6451f..a0bfe9290 100644
--- a/.github/workflows/clang-tidy.yml
+++ b/.github/workflows/clang-tidy.yml
@@ -26,7 +26,8 @@ jobs:
         run: |
           wget https://apt.llvm.org/llvm.sh
           chmod +x llvm.sh
-          sudo ./llvm.sh 14
+          sudo ./llvm.sh 15
+          sudo apt-get install -y clang-tidy-15
 
       - name: Cache Qt ${{ env.QT_VERSION }}
         id: cache-qt
@@ -46,8 +47,8 @@ jobs:
         run: |
           cmake -S . -B cmake.output -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DWITH_QCHART=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On -DCPPCHK_GLIBCXX_DEBUG=Off
         env:
-          CC: clang-14
-          CXX: clang++-14
+          CC: clang-15
+          CXX: clang++-15
 
       - name: Prepare CMake dependencies
         run: |
diff --git a/.github/workflows/tsan.yml b/.github/workflows/tsan.yml
index e5ee2a1fd..8b1f6451d 100644
--- a/.github/workflows/tsan.yml
+++ b/.github/workflows/tsan.yml
@@ -29,14 +29,14 @@ jobs:
         run: |
           wget https://apt.llvm.org/llvm.sh
           chmod +x llvm.sh
-          sudo ./llvm.sh 14
+          sudo ./llvm.sh 15
 
       - name: CMake
         run: |
           cmake -S . -B cmake.output -DCMAKE_BUILD_TYPE=RelWithDebInfo -DHAVE_RULES=On -DBUILD_TESTS=On -DUSE_MATCHCOMPILER=Verify -DANALYZE_THREAD=On -DUSE_THREADS=On -DENABLE_CHECK_INTERNAL=On -DCPPCHK_GLIBCXX_DEBUG=Off -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On
         env:
-          CC: clang-14
-          CXX: clang++-14
+          CC: clang-15
+          CXX: clang++-15
 
       - name: Build cppcheck
         run: |
diff --git a/.github/workflows/ubsan.yml b/.github/workflows/ubsan.yml
index 008fe9a92..bf9b94389 100644
--- a/.github/workflows/ubsan.yml
+++ b/.github/workflows/ubsan.yml
@@ -29,14 +29,14 @@ jobs:
         run: |
           wget https://apt.llvm.org/llvm.sh
           chmod +x llvm.sh
-          sudo ./llvm.sh 14
+          sudo ./llvm.sh 15
 
       - name: CMake
         run: |
           cmake -S . -B cmake.output -DCMAKE_BUILD_TYPE=RelWithDebInfo -DHAVE_RULES=On -DBUILD_TESTS=On -DUSE_MATCHCOMPILER=Verify -DANALYZE_UNDEFINED=On -DENABLE_CHECK_INTERNAL=On -DCPPCHK_GLIBCXX_DEBUG=Off -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On
         env:
-          CC: clang-14
-          CXX: clang++-14
+          CC: clang-15
+          CXX: clang++-15
 
       - name: Build cppcheck
         run: |