diff --git a/src/js/index.js b/src/js/index.js
index 2d6e65f71..563edb9c5 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -1,4 +1,13 @@
 exports.Remote = require('./remote').Remote;
 exports.Amount = require('./amount').Amount;
 exports.UInt160 = require('./amount').UInt160;
-exports.Seed = require('./amount').Seed;
\ No newline at end of file
+exports.Seed = require('./amount').Seed;
+
+// Important: We do not guarantee any specific version of SJCL or for any
+// specific features to be included. The version and configuration may change at
+// any time without warning.
+//
+// However, for programs that are tied to a specific version of ripple.js like
+// the official client, it makes sense to expose the SJCL instance so we don't
+// have to include it twice.
+exports.sjcl = require('../../build/sjcl');