diff --git a/pxr/usd/ar/packageUtils.cpp b/pxr/usd/ar/packageUtils.cpp
index d497587..ed3df29 100644
--- a/pxr/usd/ar/packageUtils.cpp
+++ b/pxr/usd/ar/packageUtils.cpp
@@ -29,6 +29,8 @@
 #include "pxr/base/tf/pathUtils.h"
 #include "pxr/base/tf/stringUtils.h"
 
+#include <algorithm>
+
 PXR_NAMESPACE_OPEN_SCOPE
 
 namespace