diff --git a/bower.json b/bower.json
index e2763ccfd..809fd5323 100644
--- a/bower.json
+++ b/bower.json
@@ -31,7 +31,7 @@
     "hyperjson": "~1.4.0",
     "chainpad-crypto": "^0.1.8",
     "chainpad-listmap": "^0.5.0",
-    "chainpad": "^5.0.0",
+    "chainpad": "^5.1.0",
     "chainpad-netflux": "^0.7.0",
     "file-saver": "1.3.1",
     "alertifyjs": "1.0.11",
diff --git a/docs/example.nginx.conf b/docs/example.nginx.conf
index d56920bf5..44b12ade8 100644
--- a/docs/example.nginx.conf
+++ b/docs/example.nginx.conf
@@ -75,6 +75,12 @@ server {
         }
         
     location ^~ /blob/ {
+        add_header Cache-Control max-age=31536000;
+        try_files $uri =404;
+    }
+
+    location ^~ /datastore/ {
+        add_header Cache-Control max-age=0;
         try_files $uri =404;
     }
 
diff --git a/server.js b/server.js
index a7830cbaf..aac8d7513 100644
--- a/server.js
+++ b/server.js
@@ -123,6 +123,9 @@ app.get(mainPagePattern, Express.static(__dirname + '/customize.dist'));
 app.use("/blob", Express.static(Path.join(__dirname, (config.blobPath || './blob')), {
     maxAge: DEV_MODE? "0d": "365d"
 }));
+app.use("/datastore", Express.static(Path.join(__dirname, (config.filePath || './datastore')), {
+    maxAge: "0d"
+}));
 
 app.use("/customize", Express.static(__dirname + '/customize'));
 app.use("/customize", Express.static(__dirname + '/customize.dist'));
@@ -188,6 +191,7 @@ var custom_four04_path = Path.resolve(__dirname + '/customize/404.html');
 var send404 = function (res, path) {
     if (!path && path !== four04_path) { path = four04_path; }
     Fs.exists(path, function (exists) {
+        res.setHeader('Content-Type', 'text/html; charset=utf-8');
         if (exists) { return Fs.createReadStream(path).pipe(res); }
         send404(res);
     });
@@ -250,4 +254,4 @@ var nt = nThen(function (w) {
 
 if (config.debugReplName) {
     require('replify')({ name: config.debugReplName, app: debuggableStore });
-}
\ No newline at end of file
+}