diff --git a/lib/document.js b/lib/document.js
index 830a270..a77d782 100644
--- a/lib/document.js
+++ b/lib/document.js
@@ -467,7 +467,7 @@
     };
 
     Document.prototype.save = function(refresh) {
-      var dbFieldName, deferred, document, error, property, propertyName, ref, ref1, ref2;
+      var dbFieldName, deferred, document, error, error1, property, propertyName, ref, ref1, ref2;
       if (refresh == null) {
         refresh = false;
       }
@@ -491,8 +491,8 @@
         dbFieldName = (ref2 = property.dbField) != null ? ref2 : propertyName;
         try {
           document[dbFieldName] = property.toDb(this);
-        } catch (_error) {
-          error = _error;
+        } catch (error1) {
+          error = error1;
           deferred.reject(error);
           return deferred.promise;
         }
diff --git a/package.json b/package.json
index 520e863..438d7ca 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "enju",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "description": "An elasticsearch on node.js written in CoffeeScript.",
   "main": "index.js",
   "scripts": {
@@ -30,9 +30,9 @@
     "time-grunt": "1.2.1"
   },
   "dependencies": {
-    "coffee-script": "1.9.3",
-    "config": "1.15.0",
-    "elasticsearch": "8.0.1",
+    "coffee-script": "1.10.0",
+    "config": "1.16.0",
+    "elasticsearch": "8.2.0",
     "q": "1.4.1"
   }
 }