diff --git a/oauth2-authorization-server/src/main/java/org/springframework/security/oauth2/server/authorization/OAuth2Authorization.java b/oauth2-authorization-server/src/main/java/org/springframework/security/oauth2/server/authorization/OAuth2Authorization.java
index ef8bb69dd..610ed4ac8 100644
--- a/oauth2-authorization-server/src/main/java/org/springframework/security/oauth2/server/authorization/OAuth2Authorization.java
+++ b/oauth2-authorization-server/src/main/java/org/springframework/security/oauth2/server/authorization/OAuth2Authorization.java
@@ -391,7 +391,7 @@ public static class Builder implements Serializable {
 		private Map<Class<? extends OAuth2Token>, Token<?>> tokens = new HashMap<>();
 		private final Map<String, Object> attributes = new HashMap<>();
 
-		protected Builder(String registeredClientId) {
+		public Builder(String registeredClientId) {
 			this.registeredClientId = registeredClientId;
 		}