diff --git a/bower.json b/bower.json
index 312daee3e..fcb586da1 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.4.44",
+  "version": "1.4.46",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index 80cda0869..20bf0621f 100644
--- a/build/pdf.combined.js
+++ b/build/pdf.combined.js
@@ -28,8 +28,8 @@ factory((root.pdfjsDistBuildPdfCombined = {}));
   // Use strict in our context only - users might not want it
   'use strict';
 
-var pdfjsVersion = '1.4.44';
-var pdfjsBuild = 'a0aa781';
+var pdfjsVersion = '1.4.46';
+var pdfjsBuild = 'd7e5935';
 
   var pdfjsFilePath =
     typeof document !== 'undefined' && document.currentScript ?
@@ -33790,9 +33790,9 @@ PDFJS.getDocument = function getDocument(src,
         throw new Error('Loading aborted');
       }
       var messageHandler = new MessageHandler(docId, workerId, worker.port);
-      messageHandler.send('Ready', null);
       var transport = new WorkerTransport(messageHandler, task, rangeTransport);
       task._transport = transport;
+      messageHandler.send('Ready', null);
     });
   }).catch(task._capability.reject);
 
diff --git a/build/pdf.js b/build/pdf.js
index 9123af3da..d15f2c9c7 100644
--- a/build/pdf.js
+++ b/build/pdf.js
@@ -28,8 +28,8 @@ factory((root.pdfjsDistBuildPdf = {}));
   // Use strict in our context only - users might not want it
   'use strict';
 
-var pdfjsVersion = '1.4.44';
-var pdfjsBuild = 'a0aa781';
+var pdfjsVersion = '1.4.46';
+var pdfjsBuild = 'd7e5935';
 
   var pdfjsFilePath =
     typeof document !== 'undefined' && document.currentScript ?
@@ -8661,9 +8661,9 @@ PDFJS.getDocument = function getDocument(src,
         throw new Error('Loading aborted');
       }
       var messageHandler = new MessageHandler(docId, workerId, worker.port);
-      messageHandler.send('Ready', null);
       var transport = new WorkerTransport(messageHandler, task, rangeTransport);
       task._transport = transport;
+      messageHandler.send('Ready', null);
     });
   }).catch(task._capability.reject);
 
diff --git a/build/pdf.worker.js b/build/pdf.worker.js
index f6289ccc3..cdcca9653 100644
--- a/build/pdf.worker.js
+++ b/build/pdf.worker.js
@@ -28,8 +28,8 @@ factory((root.pdfjsDistBuildPdfWorker = {}));
   // Use strict in our context only - users might not want it
   'use strict';
 
-var pdfjsVersion = '1.4.44';
-var pdfjsBuild = 'a0aa781';
+var pdfjsVersion = '1.4.46';
+var pdfjsBuild = 'd7e5935';
 
   var pdfjsFilePath =
     typeof document !== 'undefined' && document.currentScript ?
diff --git a/package.json b/package.json
index d89ad920b..29902f1c8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.4.44",
+  "version": "1.4.46",
   "main": "build/pdf.js",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [