diff --git a/meta/libraries.json b/meta/libraries.json
index d7e4934..31504c2 100644
--- a/meta/libraries.json
+++ b/meta/libraries.json
@@ -11,5 +11,6 @@
     ],
     "maintainers": [
         "Douglas Gregor <dgregor -at- cs.indiana.edu>"
-    ]
+    ],
+    "cxxstd": "03"
 }