diff --git a/internal/configuration/validator/const.go b/internal/configuration/validator/const.go
index 590d56c2..a3bb6140 100644
--- a/internal/configuration/validator/const.go
+++ b/internal/configuration/validator/const.go
@@ -277,6 +277,7 @@ var ValidKeys = []string{
 	"identity_providers.oidc.refresh_token_lifespan",
 	"identity_providers.oidc.authorize_code_lifespan",
 	"identity_providers.oidc.enable_client_debug_messages",
+	"identity_providers.oidc.minimum_parameter_entropy",
 	"identity_providers.oidc.clients",
 	"identity_providers.oidc.clients[].id",
 	"identity_providers.oidc.clients[].description",