diff --git a/Sources/SWBMacro/MacroValueAssignmentTable.swift b/Sources/SWBMacro/MacroValueAssignmentTable.swift
index 6357b827..d9f00f09 100644
--- a/Sources/SWBMacro/MacroValueAssignmentTable.swift
+++ b/Sources/SWBMacro/MacroValueAssignmentTable.swift
@@ -11,7 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 public import SWBUtil
-public import Synchronization
+package import Synchronization
 
 /// A mapping from macro declarations to corresponding macro value assignments, each of which is a linked list of macro expressions in precedence order.  At the moment it doesn’t support conditional assignments, but that functionality will be implemented soon.
 public struct MacroValueAssignmentTable: Serializable, Sendable {