diff --git a/bower.json b/bower.json
index 0a1f77147..f1edf342e 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.3.17",
+  "version": "1.3.20",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index 73c809b49..3f49b06e7 100644
--- a/build/pdf.combined.js
+++ b/build/pdf.combined.js
@@ -20,8 +20,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.3.17';
-PDFJS.build = '9de056f';
+PDFJS.version = '1.3.20';
+PDFJS.build = '0029000';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/build/pdf.js b/build/pdf.js
index ced9ea019..346a30e5e 100644
--- a/build/pdf.js
+++ b/build/pdf.js
@@ -20,8 +20,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.3.17';
-PDFJS.build = '9de056f';
+PDFJS.version = '1.3.20';
+PDFJS.build = '0029000';
 
 (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 1b6fe1a94..1aed31921 100644
--- a/build/pdf.worker.js
+++ b/build/pdf.worker.js
@@ -20,8 +20,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.3.17';
-PDFJS.build = '9de056f';
+PDFJS.version = '1.3.20';
+PDFJS.build = '0029000';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/package.json b/package.json
index 3e239d982..236aa5a0c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.3.17",
+  "version": "1.3.20",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
     "Mozilla",