diff --git a/package.json b/package.json
index 8acf5b9..e8ae097 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   },
   "homepage": "https://github.com/brianc/node-pg-native",
   "dependencies": {
-    "libpq": "^1.4.2",
+    "libpq": "^1.5.0",
     "pg-types": "1.6.0",
     "readable-stream": "1.0.31"
   },
diff --git a/test/many-connections.js b/test/many-connections.js
index 1ac72cd..0440a6a 100644
--- a/test/many-connections.js
+++ b/test/many-connections.js
@@ -1,19 +1,22 @@
 var Client = require('../');
 var async = require('async');
 var ok = require('okay');
+var bytes = require('crypto').pseudoRandomBytes
 
 describe('many connections', function() {
 
   describe('async', function() {
     var test = function(count, times) {
       it('connecting ' + count + ' clients ' + times, function(done) {
-        this.timeout(10000);
+        this.timeout(200000);
 
         var connectClient = function(n, cb) {
           var client = new Client();
           client.connect(ok(cb, function() {
-            client.query('SELECT NOW()', ok(cb, function() {
-              client.end(cb);
+            bytes(1000, ok(cb, function(chunk) {
+              client.query('SELECT $1::text as txt', [chunk.toString('base64')], ok(cb, function(rows) {
+                client.end(cb);
+              }));
             }));
           }));
         }
@@ -33,6 +36,7 @@ describe('many connections', function() {
     test(5, 5);
     test(5, 5);
     test(5, 5);
+    test(5, 5);
     test(10, 10);
     test(10, 10);
     test(10, 10);