diff --git a/internal/lsp/server.go b/internal/lsp/server.go
index f35d0c5b..833ab5a0 100644
--- a/internal/lsp/server.go
+++ b/internal/lsp/server.go
@@ -124,6 +124,11 @@ func (l *LanguageServer) Handle(
 			return nil, fmt.Errorf("failed to close connection: %w", err)
 		}
 
+		return struct{}{}, nil
+	case "$/cancelRequest":
+		// TODO: this is a no-op, but is something that we should implement
+		// if we want to support longer running, client-triggered operations
+		// https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#dollarRequests
 		return struct{}{}, nil
 	}