diff --git a/libwvdrmengine/cdm/core/include/properties.h b/libwvdrmengine/cdm/core/include/properties.h
index a34dcde2..6fe200ea 100644
--- a/libwvdrmengine/cdm/core/include/properties.h
+++ b/libwvdrmengine/cdm/core/include/properties.h
@@ -48,6 +48,7 @@ class Properties {
   static bool GetDeviceName(std::string* device_name);
   static bool GetProductName(std::string* product_name);
   static bool GetBuildInfo(std::string* build_info);
+  static bool GetOsVersion(std::string* os_version);
   static bool GetDeviceFilesBasePath(CdmSecurityLevel security_level,
                                      std::string* base_path);
   static bool GetFactoryKeyboxPath(std::string* keybox);
diff --git a/libwvdrmengine/cdm/core/src/license.cpp b/libwvdrmengine/cdm/core/src/license.cpp
index 3cab9e94..ad1da091 100644
--- a/libwvdrmengine/cdm/core/src/license.cpp
+++ b/libwvdrmengine/cdm/core/src/license.cpp
@@ -25,6 +25,7 @@ std::string kDeviceNameKey = "device_name";
 std::string kProductNameKey = "product_name";
 std::string kBuildInfoKey = "build_info";
 std::string kDeviceIdKey = "device_id";
+std::string kOsVersion = "os_version";
 const unsigned char kServiceCertificateCAPublicKey[] = {
     0x30, 0x82, 0x01, 0x8a, 0x02, 0x82, 0x01, 0x81,
     0x00, 0xb4, 0xfe, 0x39, 0xc3, 0x65, 0x90, 0x03,
@@ -281,6 +282,11 @@ bool CdmLicense::PrepareKeyRequest(const InitializationData& init_data,
     client_info->set_name(kDeviceIdKey);
     client_info->set_value(value);
   }
+  if (Properties::GetOSVersion(&value)) {
+    client_info = client_id->add_client_info();
+    client_info->set_name(kOsVersionKey);
+    client_info->set_value(value);
+  }
 
   ClientIdentification_ClientCapabilities* client_capabilities =
       client_id->mutable_client_capabilities();
diff --git a/libwvdrmengine/cdm/src/properties_android.cpp b/libwvdrmengine/cdm/src/properties_android.cpp
index e8d2c10a..323f8e44 100644
--- a/libwvdrmengine/cdm/src/properties_android.cpp
+++ b/libwvdrmengine/cdm/src/properties_android.cpp
@@ -87,6 +87,14 @@ bool Properties::GetBuildInfo(std::string* build_info) {
   return GetAndroidProperty("ro.build.fingerprint", build_info);
 }
 
+bool Properties::GetOsVersion(std::string* os_version) {
+  if (!os_version) {
+    LOGW("Properties::GetOsVersion: Invalid parameter");
+    return false;
+  }
+  return GetAndroidProperty("ro.build.version.release", os_version);
+}
+
 bool Properties::GetDeviceFilesBasePath(CdmSecurityLevel security_level,
                                         std::string* base_path) {
   if (!base_path) {