diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3e58060605..c84e9377b5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -562,6 +562,20 @@ set(PROTOBUF_INCLUDE_DIR ${INSTALL_INCLUDEDIR})
 set(PROTOBUF_LIBRARY ${INSTALL_LIBDIR}/${LIB_PROTOBUF})
 set(PROTOBUF_PROTOC ${STAGED_INSTALL_PREFIX}/bin/protoc)
 
+ExternalProject_Add(openrsync
+  URL
+  https://github.com/pikiwidb/openrsync/archive/refs/tags/v0.1.0.tar.gz
+  CMAKE_ARGS
+  -DCMAKE_INSTALL_PREFIX=${STAGED_INSTALL_PREFIX}
+  -DCMAKE_PREFIX_PATH=${CMAKE_PREFIX_PATH}
+  -DCMAKE_BUILD_TYPE=${LIB_BUILD_TYPE}
+  BUILD_COMMAND
+  ${PROJECT_SOURCE_DIR}/${EP_BASE_SUFFIX}/Source/openrsync/configure &&
+  make PREFIX=${STAGED_INSTALL_PREFIX} -j${CPU_CORE} all
+  INSTALL_COMMAND
+  make PREFIX=${STAGED_INSTALL_PREFIX} -j${CPU_CORE} install
+)
+
 ExternalProject_Add(rocksdb
   DEPENDS
   gflags