diff --git a/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletSseServerTransportProvider.java b/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletSseServerTransportProvider.java
index d3648a06f..45b72e5e5 100644
--- a/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletSseServerTransportProvider.java
+++ b/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletSseServerTransportProvider.java
@@ -161,7 +161,7 @@ public class HttpServletSseServerTransportProvider extends HttpServlet implement
 	 * @param contextExtractor The extractor for transport context from the request.
 	 * @param securityValidator The security validator for validating HTTP requests.
 	 */
-	private HttpServletSseServerTransportProvider(McpJsonMapper jsonMapper, String baseUrl, String messageEndpoint,
+	protected HttpServletSseServerTransportProvider(McpJsonMapper jsonMapper, String baseUrl, String messageEndpoint,
 			String sseEndpoint, Duration keepAliveInterval,
 			McpTransportContextExtractor<HttpServletRequest> contextExtractor,
 			ServerTransportSecurityValidator securityValidator) {
diff --git a/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStatelessServerTransport.java b/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStatelessServerTransport.java
index 047aeebe8..e286eafe3 100644
--- a/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStatelessServerTransport.java
+++ b/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStatelessServerTransport.java
@@ -66,7 +66,7 @@ public class HttpServletStatelessServerTransport extends HttpServlet implements
 	 */
 	private final ServerTransportSecurityValidator securityValidator;
 
-	private HttpServletStatelessServerTransport(McpJsonMapper jsonMapper, String mcpEndpoint,
+	protected HttpServletStatelessServerTransport(McpJsonMapper jsonMapper, String mcpEndpoint,
 			McpTransportContextExtractor<HttpServletRequest> contextExtractor,
 			ServerTransportSecurityValidator securityValidator) {
 		Assert.notNull(jsonMapper, "jsonMapper must not be null");
diff --git a/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStreamableServerTransportProvider.java b/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStreamableServerTransportProvider.java
index 95edb63a0..89bf7f6c2 100644
--- a/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStreamableServerTransportProvider.java
+++ b/mcp-core/src/main/java/io/modelcontextprotocol/server/transport/HttpServletStreamableServerTransportProvider.java
@@ -139,7 +139,7 @@ public class HttpServletStreamableServerTransportProvider extends HttpServlet
 	 * @param securityValidator The security validator for validating HTTP requests.
 	 * @throws IllegalArgumentException if any parameter is null
 	 */
-	private HttpServletStreamableServerTransportProvider(McpJsonMapper jsonMapper, String mcpEndpoint,
+	protected HttpServletStreamableServerTransportProvider(McpJsonMapper jsonMapper, String mcpEndpoint,
 			boolean disallowDelete, McpTransportContextExtractor<HttpServletRequest> contextExtractor,
 			Duration keepAliveInterval, ServerTransportSecurityValidator securityValidator) {
 		Assert.notNull(jsonMapper, "JsonMapper must not be null");