diff --git a/dvc/config_schema.py b/dvc/config_schema.py
index 3891660c77..82bd43ec68 100644
--- a/dvc/config_schema.py
+++ b/dvc/config_schema.py
@@ -152,6 +152,8 @@ class RelPath(str):
                     "ssl_verify": Any(Bool, str),
                     "sse": str,
                     "sse_kms_key_id": str,
+                    "sse_customer_algorithm": str,
+                    "sse_customer_key": str,
                     "acl": str,
                     "grant_read": str,
                     "grant_read_acp": str,