diff --git a/google-cloud-kms-inventory-v1/proto_docs/google/cloud/kms/v1/resources.rb b/google-cloud-kms-inventory-v1/proto_docs/google/cloud/kms/v1/resources.rb
index 2a3c09f3a8e9..69d020091c5c 100644
--- a/google-cloud-kms-inventory-v1/proto_docs/google/cloud/kms/v1/resources.rb
+++ b/google-cloud-kms-inventory-v1/proto_docs/google/cloud/kms/v1/resources.rb
@@ -516,6 +516,9 @@ module CryptoKeyVersionAlgorithm
             # https://cloud.google.com/kms/docs/create-validate-signatures#ecdsa_support_for_other_hash_algorithms
             EC_SIGN_SECP256K1_SHA256 = 31
 
+            # EdDSA on the Curve25519 in pure mode (taking data as input).
+            EC_SIGN_ED25519 = 40
+
             # HMAC-SHA256 signing with a 256 bit key.
             HMAC_SHA256 = 32