diff --git a/llvm-build/.gitignore b/llvm-build/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..384d50511d6a6e3ec2b7c274f56afaa3d55afa1f
--- /dev/null
+++ b/llvm-build/.gitignore
@@ -0,0 +1 @@
+prebuilts_clang_version.py
diff --git a/llvm-build/build.py b/llvm-build/build.py
index 170dae50372aa19951cdad344b0ba5a8da156648..d7fe43107c9b993113b6ad0edd29cf91db1c7f31 100755
--- a/llvm-build/build.py
+++ b/llvm-build/build.py
@@ -27,6 +27,7 @@ import argparse
 import mingw
 import stat
 
+from prebuilts_clang_version import prebuilts_clang_version
 
 class BuildConfig():
     # Defines public methods and functions and obtains script parameters.
@@ -61,7 +62,7 @@ class BuildConfig():
         self.OPENHOS_SFX = '-linux-ohos'
         self.LITEOS_SFX = '-liteos-ohos'
         self.LLDB_PY_VERSION = '3.10'
-        self.CLANG_VERSION = '10.0.1'
+        self.CLANG_VERSION = prebuilts_clang_version
         self.MINGW_TRIPLE = 'x86_64-windows-gnu'
         logging.basicConfig(level=logging.INFO)
 
diff --git a/llvm-build/env_prepare.sh b/llvm-build/env_prepare.sh
index 552fbdba47722853296a9102ac013d6c9d6b0d29..8d4482e7a8c4c302c3f38985f7a4227ec312c19e 100755
--- a/llvm-build/env_prepare.sh
+++ b/llvm-build/env_prepare.sh
@@ -53,10 +53,10 @@ function download_and_archive() {
 copy_config="""
 """
 
+CLANG_LINUX_BUILD=clang_linux-x86_64-025192-20230330
 copy_config_linux_x86_64="""
 prebuilts/cmake,https://mirrors.huaweicloud.com/harmonyos/compiler/cmake/3.16.5/${host_platform}/cmake-${host_platform}-x86-3.16.5.tar.gz
-prebuilts/clang/ohos/${host_platform}-${host_cpu},https://mirrors.huaweicloud.com/openharmony/compiler/clang/10.0.1-62608/${host_platform}/llvm.tar.gz
-prebuilts/clang/ohos/${host_platform}-${host_cpu},https://github.com/llvm/llvm-project/releases/download/llvmorg-10.0.1/clang+llvm-10.0.1-x86_64-linux-gnu-ubuntu-16.04.tar.xz
+prebuilts/clang/ohos/${host_platform}-${host_cpu},https://mirrors.huaweicloud.com/openharmony/compiler/clang/15.0.4-025192/linux/${CLANG_LINUX_BUILD}.tar.bz2
 """
 
 
@@ -95,19 +95,25 @@ do
 done
 
 
-if [ -d "${code_dir}/prebuilts/clang/ohos/linux-x86_64/clang-62608" ];then
-    rm -rf "${code_dir}/prebuilts/clang/ohos/linux-x86_64/llvm"
-    mv "${code_dir}/prebuilts/clang/ohos/linux-x86_64/clang-62608" "${code_dir}/prebuilts/clang/ohos/linux-x86_64/llvm"
-    ln -snf 10.0.1 "${code_dir}/prebuilts/clang/ohos/linux-x86_64/llvm/lib/clang/current"
+if [ -d "${code_dir}/prebuilts/clang/ohos/darwin-x86_64/clang+llvm-12.0.0-x86_64-apple-darwin" ];then
+    rm -rf "${code_dir}/prebuilts/clang/ohos/darwin-x86_64/clang-10.0.1"
+    mv "${code_dir}/prebuilts/clang/ohos/darwin-x86_64/clang+llvm-12.0.0-x86_64-apple-darwin" "${code_dir}/prebuilts/clang/ohos/darwin-x86_64/clang-10.0.1"
 fi
 
 
-if [ -d "${code_dir}/prebuilts/clang/ohos/linux-x86_64/clang+llvm-10.0.1-x86_64-linux-gnu-ubuntu-16.04" ];then
-    rm -rf "${code_dir}/prebuilts/clang/ohos/linux-x86_64/clang-10.0.1"
-    mv "${code_dir}/prebuilts/clang/ohos/linux-x86_64/clang+llvm-10.0.1-x86_64-linux-gnu-ubuntu-16.04" "${code_dir}/prebuilts/clang/ohos/linux-x86_64/clang-10.0.1"
+if [ -d "${code_dir}/prebuilts/clang/ohos/linux-x86_64/${CLANG_LINUX_BUILD}" ]; then
+    SET_CLANG_VERSION='15.0.4'
+    mv "${code_dir}/prebuilts/clang/ohos/linux-x86_64/${CLANG_LINUX_BUILD}" "${code_dir}/prebuilts/clang/ohos/linux-x86_64/clang-${SET_CLANG_VERSION}"
 fi
 
-if [ -d "${code_dir}/prebuilts/clang/ohos/darwin-x86_64/clang+llvm-12.0.0-x86_64-apple-darwin" ];then
-    rm -rf "${code_dir}/prebuilts/clang/ohos/darwin-x86_64/clang-10.0.1"
-    mv "${code_dir}/prebuilts/clang/ohos/darwin-x86_64/clang+llvm-12.0.0-x86_64-apple-darwin" "${code_dir}/prebuilts/clang/ohos/darwin-x86_64/clang-10.0.1"
+# try to detect version ...
+BASE_CLANG_DIR="${code_dir}/prebuilts/clang/ohos/${host_platform}-x86_64"
+CLANG_FOUND_VERSION=$(cd ${BASE_CLANG_DIR}; basename $(ls -d clang* | head -1) | sed s/clang-//)
+
+# check that pipe above didn't fail and that we have (any) clang version
+if [ ! $? == 0 ] || [ x == x${CLANG_FOUND_VERSION} ] ; then 
+    echo "env_prepare.sh: could not detect clang version" 2>&1
+    exit 1
 fi
+# ... and put it to python file
+echo "prebuilts_clang_version='${CLANG_FOUND_VERSION}'" > $(dirname $0)/prebuilts_clang_version.py