diff --git a/libwvdrmengine/cdm/include/wv_android_constants.h b/libwvdrmengine/cdm/include/wv_android_constants.h
index e69913bb..ac7c6627 100644
--- a/libwvdrmengine/cdm/include/wv_android_constants.h
+++ b/libwvdrmengine/cdm/include/wv_android_constants.h
@@ -9,7 +9,7 @@
 
 namespace wvcdm {
 
-static const std::string kWVAndroidCdmVersion = "16.0.0";
+static const std::string kWVAndroidCdmVersion = "16.1.0";
 
 }  // namespace wvcdm
 
diff --git a/libwvdrmengine/cdm/test/request_license_test.cpp b/libwvdrmengine/cdm/test/request_license_test.cpp
index e5dcf686..c60349b4 100644
--- a/libwvdrmengine/cdm/test/request_license_test.cpp
+++ b/libwvdrmengine/cdm/test/request_license_test.cpp
@@ -5952,6 +5952,11 @@ TEST(VersionNumberTest, VersionNumberChangeCanary) {
       android::base::GetProperty("ro.build.version.release", "");
   ASSERT_TRUE(release_number.size() > 0);
   // Reminder to change the Widevine CDM version number.
+  //
+  // TODO(robertshih):
+  //   update expected release_number to 12 once Android version has changed;
+  //   no need to update Widevine version number in wv_android_constants.h
+  //   because it is already at 16.1.0.
   EXPECT_STREQ("11", release_number.c_str())
       << "The Android version number has changed. You need to update this test "
          "and also possibly update the Widevine version number in "