diff --git a/mcp/src/main/java/io/modelcontextprotocol/spec/McpSchema.java b/mcp/src/main/java/io/modelcontextprotocol/spec/McpSchema.java
index 2f551196..7022134e 100644
--- a/mcp/src/main/java/io/modelcontextprotocol/spec/McpSchema.java
+++ b/mcp/src/main/java/io/modelcontextprotocol/spec/McpSchema.java
@@ -796,8 +796,8 @@ public record CreateMessageRequest(// @formatter:off
 
 		public enum ContextInclusionStrategy {
 			@JsonProperty("none") NONE,
-			@JsonProperty("this_server") THIS_SERVER,
-			@JsonProperty("all_server") ALL_SERVERS
+			@JsonProperty("thisServer") THIS_SERVER,
+			@JsonProperty("allServers") ALL_SERVERS
 		}
 	}// @formatter:on