diff --git a/js/constants/config.js b/js/constants/config.js
index b99a7bc424e..f200ac980f6 100644
--- a/js/constants/config.js
+++ b/js/constants/config.js
@@ -42,6 +42,6 @@ module.exports = {
     replacementUrl: adHost
   },
   braveExtensionId: 'mnojpmjdmbbfmejpflffifhffcmidifd',
-  PDFJSExtensionId: 'oemmndcbldboiebfnladdacbdfmadadm',
+  PDFJSExtensionId: 'jdbefljfgobbmcidnmpjamcbhnbphjnb',
   coinbaseOrigin: 'https://buy.coinbase.com'
 }
diff --git a/test/about/extensionsTest.js b/test/about/extensionsTest.js
index 61734ba9364..6fb040b9eb4 100644
--- a/test/about/extensionsTest.js
+++ b/test/about/extensionsTest.js
@@ -27,7 +27,7 @@ describe('about:extensions', function () {
     })
     it('installs by default', function * () {
       yield this.app.client
-        .waitForVisible('[data-extension-id="oemmndcbldboiebfnladdacbdfmadadm"]')
+        .waitForVisible('[data-extension-id="jdbefljfgobbmcidnmpjamcbhnbphjnb"]')
     })
   })
   describe('1Password', function () {
diff --git a/test/unit/lib/urlutilTest.js b/test/unit/lib/urlutilTest.js
index aa723289223..f04ae424403 100644
--- a/test/unit/lib/urlutilTest.js
+++ b/test/unit/lib/urlutilTest.js
@@ -207,7 +207,7 @@ describe('urlutil', function () {
 
   describe('getLocationIfPDF', function () {
     it('gets location for PDF JS URL', function () {
-      assert.equal(UrlUtil.getLocationIfPDF('chrome-extension://oemmndcbldboiebfnladdacbdfmadadm/https://www.blackhat.co…king-Kernel-Address-Space-Layout-Randomization-KASLR-With-Intel-TSX-wp.pdf'),
+      assert.equal(UrlUtil.getLocationIfPDF('chrome-extension://jdbefljfgobbmcidnmpjamcbhnbphjnb/https://www.blackhat.co…king-Kernel-Address-Space-Layout-Randomization-KASLR-With-Intel-TSX-wp.pdf'),
         'https://www.blackhat.co…king-Kernel-Address-Space-Layout-Randomization-KASLR-With-Intel-TSX-wp.pdf')
     })
     it('does not modify location for non-pdf URL', function () {