diff --git a/bower.json b/bower.json
index f227f71f4..8b23b33e0 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.2.39",
+  "version": "1.2.41",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index b632a50dc..db2ee565e 100644
--- a/build/pdf.combined.js
+++ b/build/pdf.combined.js
@@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.2.39';
-PDFJS.build = '7e79ce4';
+PDFJS.version = '1.2.41';
+PDFJS.build = 'b56b415';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -2820,6 +2820,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
       }, this);
 
       messageHandler.on('commonobj', function transportObj(data) {
+        if (this.destroyed) {
+          return; // Ignore any pending requests if the worker was terminated.
+        }
+
         var id = data[0];
         var type = data[1];
         if (this.commonObjs.hasData(id)) {
@@ -2856,6 +2860,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
       }, this);
 
       messageHandler.on('obj', function transportObj(data) {
+        if (this.destroyed) {
+          return; // Ignore any pending requests if the worker was terminated.
+        }
+
         var id = data[0];
         var pageIndex = data[1];
         var type = data[2];
@@ -2887,6 +2895,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
       }, this);
 
       messageHandler.on('DocProgress', function transportDocProgress(data) {
+        if (this.destroyed) {
+          return; // Ignore any pending requests if the worker was terminated.
+        }
+
         var loadingTask = this.loadingTask;
         if (loadingTask.onProgress) {
           loadingTask.onProgress({
@@ -2897,6 +2909,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
       }, this);
 
       messageHandler.on('PageError', function transportError(data) {
+        if (this.destroyed) {
+          return; // Ignore any pending requests if the worker was terminated.
+        }
+
         var page = this.pageCache[data.pageNum - 1];
         var intentState = page.intentStates[data.intent];
         if (intentState.displayReadyCapability) {
@@ -2907,6 +2923,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
       }, this);
 
       messageHandler.on('JpegDecode', function(data) {
+        if (this.destroyed) {
+          return Promise.reject('Worker was terminated');
+        }
+
         var imageUrl = data[0];
         var components = data[1];
         if (components !== 3 && components !== 1) {
@@ -2946,7 +2966,7 @@ var WorkerTransport = (function WorkerTransportClosure() {
           };
           img.src = imageUrl;
         });
-      });
+      }, this);
     },
 
     fetchDocument: function WorkerTransport_fetchDocument(loadingTask, source) {
diff --git a/build/pdf.js b/build/pdf.js
index c17ed6f89..db30b40ee 100644
--- a/build/pdf.js
+++ b/build/pdf.js
@@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.2.39';
-PDFJS.build = '7e79ce4';
+PDFJS.version = '1.2.41';
+PDFJS.build = 'b56b415';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -2873,6 +2873,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
       }, this);
 
       messageHandler.on('commonobj', function transportObj(data) {
+        if (this.destroyed) {
+          return; // Ignore any pending requests if the worker was terminated.
+        }
+
         var id = data[0];
         var type = data[1];
         if (this.commonObjs.hasData(id)) {
@@ -2909,6 +2913,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
       }, this);
 
       messageHandler.on('obj', function transportObj(data) {
+        if (this.destroyed) {
+          return; // Ignore any pending requests if the worker was terminated.
+        }
+
         var id = data[0];
         var pageIndex = data[1];
         var type = data[2];
@@ -2940,6 +2948,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
       }, this);
 
       messageHandler.on('DocProgress', function transportDocProgress(data) {
+        if (this.destroyed) {
+          return; // Ignore any pending requests if the worker was terminated.
+        }
+
         var loadingTask = this.loadingTask;
         if (loadingTask.onProgress) {
           loadingTask.onProgress({
@@ -2950,6 +2962,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
       }, this);
 
       messageHandler.on('PageError', function transportError(data) {
+        if (this.destroyed) {
+          return; // Ignore any pending requests if the worker was terminated.
+        }
+
         var page = this.pageCache[data.pageNum - 1];
         var intentState = page.intentStates[data.intent];
         if (intentState.displayReadyCapability) {
@@ -2960,6 +2976,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
       }, this);
 
       messageHandler.on('JpegDecode', function(data) {
+        if (this.destroyed) {
+          return Promise.reject('Worker was terminated');
+        }
+
         var imageUrl = data[0];
         var components = data[1];
         if (components !== 3 && components !== 1) {
@@ -2999,7 +3019,7 @@ var WorkerTransport = (function WorkerTransportClosure() {
           };
           img.src = imageUrl;
         });
-      });
+      }, this);
     },
 
     fetchDocument: function WorkerTransport_fetchDocument(loadingTask, source) {
diff --git a/build/pdf.worker.js b/build/pdf.worker.js
index 2618ae16a..5664f9837 100644
--- a/build/pdf.worker.js
+++ b/build/pdf.worker.js
@@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.2.39';
-PDFJS.build = '7e79ce4';
+PDFJS.version = '1.2.41';
+PDFJS.build = 'b56b415';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/package.json b/package.json
index 67fa841c5..211ecf2a9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.2.39",
+  "version": "1.2.41",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
     "Mozilla",