diff --git a/bower.json b/bower.json
index 50c96ac8d..22ae8455a 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.406",
+  "version": "1.0.408",
   "keywords": [
     "Mozilla",
     "pdf",
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index e56c607e1..02df36316 100644
--- a/build/pdf.combined.js
+++ b/build/pdf.combined.js
@@ -21,8 +21,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.0.406';
-PDFJS.build = 'c0a6b0f';
+PDFJS.version = '1.0.408';
+PDFJS.build = '84157e0';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -8053,7 +8053,11 @@ var Ref = (function RefClosure() {
     this.gen = gen;
   }
 
-  Ref.prototype = {};
+  Ref.prototype = {
+    toString: function Ref_toString() {
+      return 'R' + this.num + '.' + this.gen;
+    }
+  };
 
   return Ref;
 })();
@@ -8067,15 +8071,15 @@ var RefSet = (function RefSetClosure() {
 
   RefSet.prototype = {
     has: function RefSet_has(ref) {
-      return ('R' + ref.num + '.' + ref.gen) in this.dict;
+      return ref.toString() in this.dict;
     },
 
     put: function RefSet_put(ref) {
-      this.dict['R' + ref.num + '.' + ref.gen] = true;
+      this.dict[ref.toString()] = true;
     },
 
     remove: function RefSet_remove(ref) {
-      delete this.dict['R' + ref.num + '.' + ref.gen];
+      delete this.dict[ref.toString()];
     }
   };
 
@@ -8089,19 +8093,19 @@ var RefSetCache = (function RefSetCacheClosure() {
 
   RefSetCache.prototype = {
     get: function RefSetCache_get(ref) {
-      return this.dict['R' + ref.num + '.' + ref.gen];
+      return this.dict[ref.toString()];
     },
 
     has: function RefSetCache_has(ref) {
-      return ('R' + ref.num + '.' + ref.gen) in this.dict;
+      return ref.toString() in this.dict;
     },
 
     put: function RefSetCache_put(ref, obj) {
-      this.dict['R' + ref.num + '.' + ref.gen] = obj;
+      this.dict[ref.toString()] = obj;
     },
 
     putAlias: function RefSetCache_putAlias(ref, aliasRef) {
-      this.dict['R' + ref.num + '.' + ref.gen] = this.get(aliasRef);
+      this.dict[ref.toString()] = this.get(aliasRef);
     },
 
     forEach: function RefSetCache_forEach(fn, thisArg) {
@@ -9015,9 +9019,9 @@ var XRef = (function XRefClosure() {
         xrefEntry = this.fetchCompressed(xrefEntry, suppressEncryption);
       }
       if (isDict(xrefEntry)){
-        xrefEntry.objId = 'R' + ref.num + '.' + ref.gen;
+        xrefEntry.objId = ref.toString();
       } else if (isStream(xrefEntry)) {
-        xrefEntry.dict.objId = 'R' + ref.num + '.' + ref.gen;
+        xrefEntry.dict.objId = ref.toString();
       }
       return xrefEntry;
     },
diff --git a/build/pdf.js b/build/pdf.js
index 0e75d58cd..afcf69435 100644
--- a/build/pdf.js
+++ b/build/pdf.js
@@ -21,8 +21,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.0.406';
-PDFJS.build = 'c0a6b0f';
+PDFJS.version = '1.0.408';
+PDFJS.build = '84157e0';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/build/pdf.worker.js b/build/pdf.worker.js
index bf4f8a19b..ece60bf3d 100644
--- a/build/pdf.worker.js
+++ b/build/pdf.worker.js
@@ -21,8 +21,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.0.406';
-PDFJS.build = 'c0a6b0f';
+PDFJS.version = '1.0.408';
+PDFJS.build = '84157e0';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -3217,7 +3217,11 @@ var Ref = (function RefClosure() {
     this.gen = gen;
   }
 
-  Ref.prototype = {};
+  Ref.prototype = {
+    toString: function Ref_toString() {
+      return 'R' + this.num + '.' + this.gen;
+    }
+  };
 
   return Ref;
 })();
@@ -3231,15 +3235,15 @@ var RefSet = (function RefSetClosure() {
 
   RefSet.prototype = {
     has: function RefSet_has(ref) {
-      return ('R' + ref.num + '.' + ref.gen) in this.dict;
+      return ref.toString() in this.dict;
     },
 
     put: function RefSet_put(ref) {
-      this.dict['R' + ref.num + '.' + ref.gen] = true;
+      this.dict[ref.toString()] = true;
     },
 
     remove: function RefSet_remove(ref) {
-      delete this.dict['R' + ref.num + '.' + ref.gen];
+      delete this.dict[ref.toString()];
     }
   };
 
@@ -3253,19 +3257,19 @@ var RefSetCache = (function RefSetCacheClosure() {
 
   RefSetCache.prototype = {
     get: function RefSetCache_get(ref) {
-      return this.dict['R' + ref.num + '.' + ref.gen];
+      return this.dict[ref.toString()];
     },
 
     has: function RefSetCache_has(ref) {
-      return ('R' + ref.num + '.' + ref.gen) in this.dict;
+      return ref.toString() in this.dict;
     },
 
     put: function RefSetCache_put(ref, obj) {
-      this.dict['R' + ref.num + '.' + ref.gen] = obj;
+      this.dict[ref.toString()] = obj;
     },
 
     putAlias: function RefSetCache_putAlias(ref, aliasRef) {
-      this.dict['R' + ref.num + '.' + ref.gen] = this.get(aliasRef);
+      this.dict[ref.toString()] = this.get(aliasRef);
     },
 
     forEach: function RefSetCache_forEach(fn, thisArg) {
@@ -4179,9 +4183,9 @@ var XRef = (function XRefClosure() {
         xrefEntry = this.fetchCompressed(xrefEntry, suppressEncryption);
       }
       if (isDict(xrefEntry)){
-        xrefEntry.objId = 'R' + ref.num + '.' + ref.gen;
+        xrefEntry.objId = ref.toString();
       } else if (isStream(xrefEntry)) {
-        xrefEntry.dict.objId = 'R' + ref.num + '.' + ref.gen;
+        xrefEntry.dict.objId = ref.toString();
       }
       return xrefEntry;
     },
diff --git a/package.json b/package.json
index 7733aa88e..0e88c8495 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.406",
+  "version": "1.0.408",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
     "Mozilla",