diff --git a/ci/test/01_base_install.sh b/ci/test/01_base_install.sh
index 230288bc6c7ba..76cde42161a13 100755
--- a/ci/test/01_base_install.sh
+++ b/ci/test/01_base_install.sh
@@ -42,7 +42,7 @@ if [ -n "$PIP_PACKAGES" ]; then
 fi
 
 if [[ ${USE_MEMORY_SANITIZER} == "true" ]]; then
-  git clone --depth=1 https://github.com/llvm/llvm-project -b llvmorg-16.0.5 "${BASE_SCRATCH_DIR}"/msan/llvm-project
+  git clone --depth=1 https://github.com/llvm/llvm-project -b llvmorg-16.0.6 "${BASE_SCRATCH_DIR}"/msan/llvm-project
 
   cmake -G Ninja -B "${BASE_SCRATCH_DIR}"/msan/clang_build/ -DLLVM_ENABLE_PROJECTS="clang" \
                                                             -DCMAKE_BUILD_TYPE=Release \
@@ -55,6 +55,7 @@ if [[ ${USE_MEMORY_SANITIZER} == "true" ]]; then
 
   update-alternatives --install /usr/bin/clang++ clang++ "${BASE_SCRATCH_DIR}"/msan/clang_build/bin/clang++ 100
   update-alternatives --install /usr/bin/clang clang "${BASE_SCRATCH_DIR}"/msan/clang_build/bin/clang 100
+  update-alternatives --install /usr/bin/llvm-symbolizer llvm-symbolizer "${BASE_SCRATCH_DIR}"/msan/clang_build/bin/llvm-symbolizer 100
 
   cmake -G Ninja -B "${BASE_SCRATCH_DIR}"/msan/cxx_build/ -DLLVM_ENABLE_RUNTIMES='libcxx;libcxxabi' \
                                                           -DCMAKE_BUILD_TYPE=Release \