diff --git a/static/pdf.js/pdf.js b/static/pdf.js/pdf.js
index 5307a4f99..6ad4852e4 100644
--- a/static/pdf.js/pdf.js
+++ b/static/pdf.js/pdf.js
@@ -21,7 +21,7 @@ if (typeof PDFJS === 'undefined') {
 }
 
 PDFJS.version = '0.8.798';
-PDFJS.build = '5cd9fec';
+PDFJS.build = '5b0eebb';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/static/pdf.js/pdf.worker.js b/static/pdf.js/pdf.worker.js
index cb4bf53f3..8b8ab366b 100644
--- a/static/pdf.js/pdf.worker.js
+++ b/static/pdf.js/pdf.worker.js
@@ -21,7 +21,7 @@ if (typeof PDFJS === 'undefined') {
 }
 
 PDFJS.version = '0.8.798';
-PDFJS.build = '5cd9fec';
+PDFJS.build = '5b0eebb';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/static/pdf.js/viewer.css b/static/pdf.js/viewer.css
index 0029873a2..24d4d4cd0 100644
--- a/static/pdf.js/viewer.css
+++ b/static/pdf.js/viewer.css
@@ -1290,8 +1290,12 @@ canvas {
   bottom: 0;
   color: #000;
   font-family: sans-serif;
+  pointer-events: none;
 }
 
+.imageLayer > div {
+      pointer-events: all;
+}
 .textLayer > div {
   color: transparent;
   position: absolute;