diff --git a/bower.json b/bower.json
index 2f7432d66..8c318eb92 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.279",
+  "version": "1.0.281",
   "keywords": [
     "Mozilla",
     "pdf",
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index 96a9e03e6..bac3c62a4 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 = '1.0.279';
-PDFJS.build = '41ccc9a';
+PDFJS.version = '1.0.281';
+PDFJS.build = 'c7c1639';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -2462,6 +2462,13 @@ PDFJS.disableCreateObjectURL = (PDFJS.disableCreateObjectURL === undefined ?
 PDFJS.disableWebGL = (PDFJS.disableWebGL === undefined ?
                       true : PDFJS.disableWebGL);
 
+/**
+ * Enables CSS only zooming.
+ * @var {boolean}
+ */
+PDFJS.useOnlyCssZoom = (PDFJS.useOnlyCssZoom === undefined ?
+                        false : PDFJS.useOnlyCssZoom);
+
 /**
  * Controls the logging level.
  * The constants from PDFJS.VERBOSITY_LEVELS should be used:
diff --git a/build/pdf.js b/build/pdf.js
index de262145e..bf4b584e0 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 = '1.0.279';
-PDFJS.build = '41ccc9a';
+PDFJS.version = '1.0.281';
+PDFJS.build = 'c7c1639';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -2462,6 +2462,13 @@ PDFJS.disableCreateObjectURL = (PDFJS.disableCreateObjectURL === undefined ?
 PDFJS.disableWebGL = (PDFJS.disableWebGL === undefined ?
                       true : PDFJS.disableWebGL);
 
+/**
+ * Enables CSS only zooming.
+ * @var {boolean}
+ */
+PDFJS.useOnlyCssZoom = (PDFJS.useOnlyCssZoom === undefined ?
+                        false : PDFJS.useOnlyCssZoom);
+
 /**
  * Controls the logging level.
  * The constants from PDFJS.VERBOSITY_LEVELS should be used:
diff --git a/build/pdf.worker.js b/build/pdf.worker.js
index a28607df7..615fd613e 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 = '1.0.279';
-PDFJS.build = '41ccc9a';
+PDFJS.version = '1.0.281';
+PDFJS.build = 'c7c1639';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/package.json b/package.json
index f32eca1a2..8b7680a33 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.279",
+  "version": "1.0.281",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
     "Mozilla",