diff --git a/.github/composite-actions/download-libraries/action.yml b/.github/composite-actions/download-libraries/action.yml
index 6e37578fc6..4bd8615c84 100644
--- a/.github/composite-actions/download-libraries/action.yml
+++ b/.github/composite-actions/download-libraries/action.yml
@@ -16,6 +16,11 @@ inputs:
     description: 'Install boost'
     default: true
 
+  install-clang:
+    type: boolean
+    description: 'Install clang'
+    default: false
+
 runs:
   using: 'composite'
   steps:
@@ -25,6 +30,18 @@ runs:
         sudo apt-get update -y
         sudo apt-get install gcc-10 g++-10 cmake build-essential -y
       shell: bash
+      if: inputs.install-clang != 'true'
+
+    - name: Install clang
+      # llvm.sh installs all needed libraries, no need in build-essential
+      run: |
+        sudo apt-get update -y
+        sudo apt-get install cmake make -y
+        wget https://apt.llvm.org/llvm.sh
+        chmod +x llvm.sh
+        sudo ./llvm.sh 17
+      shell: bash
+      if: inputs.install-clang != 'false'
 
     - name: Make lib directory
       run: |
@@ -35,7 +52,7 @@ runs:
       uses: ./.github/composite-actions/download-library
       with:
         directory: googletest
-        download-command: git clone https://github.com/google/googletest/ --branch release-1.12.1 --depth 1
+        download-command: git clone https://github.com/google/googletest/ --branch release-1.14.0 --depth 1
       if: inputs.download-googletest != 'false'
 
     - name: Download easyloggingpp
diff --git a/.github/workflows/core-tests.yml b/.github/workflows/core-tests.yml
index 058ca3d2fe..e4ec897e22 100644
--- a/.github/workflows/core-tests.yml
+++ b/.github/workflows/core-tests.yml
@@ -27,7 +27,7 @@ on:
       #- examples/**
   workflow_dispatch:
 jobs:
-  run_tests:
+  run_tests_gcc:
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -44,6 +44,38 @@ jobs:
         uses: ./.github/composite-actions/download-datasets
       - name: Build
         run: |
+          export CC=gcc-10
+          export CXX=g++-10
+          if [[ "${{matrix.cfg.BUILD_TYPE}}" == "Debug" ]]; then
+            ./build.sh --debug --sanitizer=${{ matrix.cfg.SANITIZER }}
+          else
+            ./build.sh
+          fi
+      - name: Test
+        working-directory: ${{github.workspace}}/build/target
+        shell: bash
+        run: ./Desbordante_test --gtest_filter='*:-*HeavyDatasets*'
+  run_tests_clang:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        cfg:
+          - { BUILD_TYPE: Release }
+          - { BUILD_TYPE: Debug }
+          - { BUILD_TYPE: Debug, SANITIZER : ADDRESS }
+          - { BUILD_TYPE: Debug, SANITIZER : UB }
+    steps:
+      - uses: actions/checkout@v3
+      - name: Download libraries
+        uses: ./.github/composite-actions/download-libraries
+        with:
+          install-clang: true
+      - name: Download datasets
+        uses: ./.github/composite-actions/download-datasets
+      - name: Build
+        run: |
+          export CC=clang-17
+          export CXX=clang++-17
           if [[ "${{matrix.cfg.BUILD_TYPE}}" == "Debug" ]]; then
             ./build.sh --debug --sanitizer=${{ matrix.cfg.SANITIZER }}
           else
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 86e00ba465..ed0a56b993 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -95,6 +95,16 @@ else()
         add_compile_options(-ggdb3)
     endif()
 
+    # Workaround clang-18 bug:
+    # https://github.com/llvm/llvm-project/issues/76515?ysclid=m406q4it5k674680045
+    if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+        string(FIND "${CMAKE_CXX_COMPILER_VERSION}" "18" IDX)
+        if (IDX EQUAL 0)  # clang major version is 18
+            message(WARNING "C++ compiler is Clang++-18. Supressing deprecated declaration warnings. Consider using another version of Clang")
+            string(JOIN ";" DEBUG_BUILD_OPTS "${DEBUG_BUILD_OPTS}" "-Wno-deprecated-declarations")
+        endif()
+    endif()
+
     add_compile_options("$<$<CONFIG:Debug>:${DEBUG_BUILD_OPTS}>")
     add_link_options("$<$<CONFIG:Debug>:${DEBUG_LINK_OPTS}>")