diff --git a/mcp-spring/mcp-spring-webflux/src/main/java/io/modelcontextprotocol/server/transport/WebFluxStreamableServerTransportProvider.java b/mcp-spring/mcp-spring-webflux/src/main/java/io/modelcontextprotocol/server/transport/WebFluxStreamableServerTransportProvider.java
index f3f6c2c33..522fc9708 100644
--- a/mcp-spring/mcp-spring-webflux/src/main/java/io/modelcontextprotocol/server/transport/WebFluxStreamableServerTransportProvider.java
+++ b/mcp-spring/mcp-spring-webflux/src/main/java/io/modelcontextprotocol/server/transport/WebFluxStreamableServerTransportProvider.java
@@ -98,7 +98,7 @@ private WebFluxStreamableServerTransportProvider(ObjectMapper objectMapper, Stri
 
 	@Override
 	public List<String> protocolVersions() {
-		return List.of(ProtocolVersions.MCP_2024_11_05, ProtocolVersions.MCP_2025_03_26);
+		return List.of(ProtocolVersions.MCP_2025_03_26, ProtocolVersions.MCP_2025_06_18);
 	}
 
 	@Override