diff --git a/.ci/setup.sh b/.ci/setup.sh
index 2794ce77bc9..66baf9e470d 100755
--- a/.ci/setup.sh
+++ b/.ci/setup.sh
@@ -28,8 +28,8 @@ if [[ $OS_NAME == "macos" ]]; then
     wget -q -O conda.sh https://repo.continuum.io/miniconda/Miniconda${PYTHON_VERSION:0:1}-latest-MacOSX-x86_64.sh
 else  # Linux
     if [[ $AZURE == "true" ]] && [[ $COMPILER == "clang" ]]; then
-        sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-7 100
-        sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-7 100
+        sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-8 100
+        sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-8 100
     fi
     if [[ $TASK == "mpi" ]]; then
         sudo apt-get update