diff --git a/tools/release/build_delivery_linux.sh b/tools/release/build_delivery_linux.sh
index d1364ddb88..e198a6aec9 100755
--- a/tools/release/build_delivery_linux.sh
+++ b/tools/release/build_delivery_linux.sh
@@ -206,7 +206,7 @@ function build_python() {
   # Check Python env
   echo "check python3..."
   command -v python3 | xargs echo "python3: " | tee -a build.log
-  python3 -c "import distutils.util as u; print(u.get_platform())" | tee -a build.log
+  python3 -c "import platform as p; print(p.platform())" | tee -a build.log
   python3 -m pip install --upgrade --user --break-system-package pip
   python3 -m pip install --upgrade --user --break-system-package wheel absl-py mypy mypy-protobuf virtualenv
   echo "check protoc-gen-mypy..."
diff --git a/tools/release/build_delivery_macos.sh b/tools/release/build_delivery_macos.sh
index a27bb2c0c4..bccc1129c8 100755
--- a/tools/release/build_delivery_macos.sh
+++ b/tools/release/build_delivery_macos.sh
@@ -229,7 +229,7 @@ function build_python() {
     echo "check python3..."
     command -v python3 | xargs echo "python3: " | tee -a build.log
     command -v "python${PY_VERSION}" | xargs echo "python${PY_VERSION}: " | tee -a build.log
-    "python${PY_VERSION}" -c "import distutils.util as u; print(u.get_platform())" | tee -a build.log
+    "python${PY_VERSION}" -c "import platform as p; print(p.platform())" | tee -a build.log
     "python${PY_VERSION}" -m pip install --upgrade --user pip
     "python${PY_VERSION}" -m pip install --upgrade --user wheel absl-py mypy mypy-protobuf virtualenv
     echo "check protoc-gen-mypy..."