diff --git a/src/item_updater.cpp b/src/item_updater.cpp
index 89bd388..cf691d7 100644
--- a/src/item_updater.cpp
+++ b/src/item_updater.cpp
@@ -356,12 +356,10 @@
     auto paths = utils::getPSUInventoryPath(bus);
     for (const auto& p : paths)
     {
-        // Assume the same service implement both Version and Item interface
-        auto service = utils::getService(bus, p.c_str(), VERSION_IFACE);
-        auto version = utils::getProperty<std::string>(
-            bus, service.c_str(), p.c_str(), VERSION_IFACE, VERSION);
+        auto service = utils::getService(bus, p.c_str(), ITEM_IFACE);
         auto present = utils::getProperty<bool>(bus, service.c_str(), p.c_str(),
                                                 ITEM_IFACE, PRESENT);
+        auto version = utils::getVersion(p);
         if (present && !version.empty())
         {
             createPsuObject(p, version);
diff --git a/src/utils.cpp b/src/utils.cpp
index 5e92f4a..7a968b7 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -6,6 +6,7 @@
 
 #include <fstream>
 #include <phosphor-logging/log.hpp>
+#include <sstream>
 
 using namespace phosphor::logging;
 
@@ -19,6 +20,39 @@
 constexpr auto MAPPER_INTERFACE = "xyz.openbmc_project.ObjectMapper";
 } // namespace
 
+namespace internal
+{
+template <typename... Ts>
+std::string concat_string(Ts const&... ts)
+{
+    std::stringstream s;
+    ((s << ts << " "), ...) << std::endl;
+    return s.str();
+}
+
+// Helper function to run command
+// Returns return code and the stdout
+template <typename... Ts>
+std::pair<int, std::string> exec(Ts const&... ts)
+{
+    std::array<char, 512> buffer;
+    std::string cmd = concat_string(ts...);
+    std::stringstream result;
+    int rc;
+    FILE* pipe = popen(cmd.c_str(), "r");
+    if (!pipe)
+    {
+        throw std::runtime_error("popen() failed!");
+    }
+    while (fgets(buffer.data(), buffer.size(), pipe) != nullptr)
+    {
+        result << buffer.data();
+    }
+    rc = pclose(pipe);
+    return {rc, result.str()};
+}
+
+} // namespace internal
 const UtilsInterface& getUtils()
 {
     static Utils utils;
@@ -98,6 +132,15 @@
     return (hexId.substr(0, 8));
 }
 
+std::string Utils::getVersion(const std::string& inventoryPath) const
+{
+    // Invoke vendor-specify tool to get the version string, e.g.
+    //   psutils get-version
+    //   /xyz/openbmc_project/inventory/system/chassis/motherboard/powersupply0
+    auto [rc, r] = internal::exec(PSU_VERSION_UTIL, inventoryPath);
+    return (rc == 0) ? r : "";
+}
+
 any Utils::getPropertyImpl(sdbusplus::bus::bus& bus, const char* service,
                            const char* path, const char* interface,
                            const char* propertyName) const
diff --git a/src/utils.hpp b/src/utils.hpp
index dd1317f..86ee5dd 100644
--- a/src/utils.hpp
+++ b/src/utils.hpp
@@ -63,6 +63,14 @@
  */
 std::string getVersionId(const std::string& version);
 
+/** @brief Get version of PSU specified by the inventory path
+ *
+ * @param[in] inventoryPath - The PSU inventory object path
+ *
+ * @return The version string, or empry string if it fails to get the version
+ */
+std::string getVersion(const std::string& inventoryPath);
+
 /**
  * @brief The interface for utils
  */
@@ -82,6 +90,8 @@
 
     virtual std::string getVersionId(const std::string& version) const = 0;
 
+    virtual std::string getVersion(const std::string& inventoryPath) const = 0;
+
     virtual any getPropertyImpl(sdbusplus::bus::bus& bus, const char* service,
                                 const char* path, const char* interface,
                                 const char* propertyName) const = 0;
@@ -109,6 +119,8 @@
 
     std::string getVersionId(const std::string& version) const override;
 
+    std::string getVersion(const std::string& inventoryPath) const override;
+
     any getPropertyImpl(sdbusplus::bus::bus& bus, const char* service,
                         const char* path, const char* interface,
                         const char* propertyName) const override;
@@ -130,6 +142,11 @@
     return getUtils().getVersionId(version);
 }
 
+inline std::string getVersion(const std::string& inventoryPath)
+{
+    return getUtils().getVersion(inventoryPath);
+}
+
 template <typename T>
 T getProperty(sdbusplus::bus::bus& bus, const char* service, const char* path,
               const char* interface, const char* propertyName)