diff --git a/meta/libraries.json b/meta/libraries.json
index 2d68ec6..7f428c5 100644
--- a/meta/libraries.json
+++ b/meta/libraries.json
@@ -12,5 +12,6 @@
     "maintainers": [
         "Andy Tompkins <atompkins -at- fastmail.fm>",
         "James E. King III <jking -at- apache.org>"
-    ]
+    ],
+    "cxxstd": "03"
 }