diff --git a/Kms/metadata/V1/EkmService.php b/Kms/metadata/V1/EkmService.php
index 8602060992a5..44bbb50c4508 100644
Binary files a/Kms/metadata/V1/EkmService.php and b/Kms/metadata/V1/EkmService.php differ
diff --git a/Kms/metadata/V1/Resources.php b/Kms/metadata/V1/Resources.php
index 71f5874b2e37..0684ba4e7ddb 100644
Binary files a/Kms/metadata/V1/Resources.php and b/Kms/metadata/V1/Resources.php differ
diff --git a/Kms/src/V1/CryptoKeyVersion/CryptoKeyVersionAlgorithm.php b/Kms/src/V1/CryptoKeyVersion/CryptoKeyVersionAlgorithm.php
index 31073c07654a..1cdbbe719745 100644
--- a/Kms/src/V1/CryptoKeyVersion/CryptoKeyVersionAlgorithm.php
+++ b/Kms/src/V1/CryptoKeyVersion/CryptoKeyVersionAlgorithm.php
@@ -39,6 +39,7 @@
  * [MAC][google.cloud.kms.v1.CryptoKey.CryptoKeyPurpose.MAC].
  * The suffix following `HMAC_` corresponds to the hash algorithm being used
  * (eg. SHA256).
+ * Algorithms beginning with `PQ_` are post-quantum.
  * For more information, see [Key purposes and algorithms]
  * (https://cloud.google.com/kms/docs/algorithms).
  *