diff --git a/bin/sslocal b/bin/sslocal
index 0aa5753..9cbd5b8 100755
--- a/bin/sslocal
+++ b/bin/sslocal
@@ -1,7 +1,7 @@
-#!/usr/bin/env node
+#!/usr/bin/env node --expose-gc
 
 var path = require('path');
 var fs = require('fs');
 var lib = path.join(path.dirname(fs.realpathSync(__filename)), '../lib');
 
-require(lib + '/shadowsocks/local').main()
\ No newline at end of file
+require(lib + '/shadowsocks/local').main()
diff --git a/bin/ssserver b/bin/ssserver
index 8f50b12..142295c 100755
--- a/bin/ssserver
+++ b/bin/ssserver
@@ -1,7 +1,7 @@
-#!/usr/bin/env node
+#!/usr/bin/env node --expose-gc
 
 var path = require('path');
 var fs = require('fs');
 var lib = path.join(path.dirname(fs.realpathSync(__filename)), '../lib');
 
-require(lib + '/shadowsocks/server').main()
\ No newline at end of file
+require(lib + '/shadowsocks/server').main()
diff --git a/lib/shadowsocks/utils.js b/lib/shadowsocks/utils.js
index 6a0c5ba..ab5a550 100644
--- a/lib/shadowsocks/utils.js
+++ b/lib/shadowsocks/utils.js
@@ -84,4 +84,11 @@
     return exports.log(exports.ERROR, msg);
   };
 
+  setInterval(function() {
+    if (global.gc) {
+      exports.debug('GC');
+      return gc();
+    }
+  }, 1000);
+
 }).call(this);
diff --git a/src/utils.coffee b/src/utils.coffee
index 8b570b0..b08740b 100644
--- a/src/utils.coffee
+++ b/src/utils.coffee
@@ -59,3 +59,9 @@ exports.warn = (msg)->
   
 exports.error = (msg)->
   exports.log exports.ERROR, msg
+
+setInterval(->
+  if global.gc
+    exports.debug 'GC'
+    gc()
+, 1000)