diff --git a/README.md b/README.md
index 6039594..6ecb44d 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ Include the **HamburgerMenu** CSS and JavaScript:
 ...
 <link rel=stylesheet href=hamburger-menu.css>
 ...
-<script src=https://cdn.jsdelivr.net/npm/jquery@3.3/dist/jquery.min.js></script>
+<script src=https://cdn.jsdelivr.net/npm/jquery@3.4/dist/jquery.min.js></script>
 <script src=hamburger-menu.js></script>
 ...
 ```
@@ -38,7 +38,7 @@ Include the **HamburgerMenu** CSS and JavaScript:
 ...
 <link rel=stylesheet href=https://cdn.jsdelivr.net/npm/hamburger-menu@0.3/dist/hamburger-menu.min.css>
 ...
-<script src=https://cdn.jsdelivr.net/npm/jquery@3.3/dist/jquery.min.js></script>
+<script src=https://cdn.jsdelivr.net/npm/jquery@3.4/dist/jquery.min.js></script>
 <script src=https://cdn.jsdelivr.net/npm/hamburger-menu@0.3/dist/hamburger-menu.min.js></script>
 ...
 ```
diff --git a/docs/index.html b/docs/index.html
index eef609e..a0ccdfc 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -61,7 +61,7 @@ <h2>Specification Cases</h2>
    </div>
 </footer>
 
-<script src=https://cdn.jsdelivr.net/npm/jquery@3.3/dist/jquery.min.js></script>
+<script src=https://cdn.jsdelivr.net/npm/jquery@3.4/dist/jquery.min.js></script>
 <script src=https://cdn.jsdelivr.net/npm/dna.js@1.5/dist/dna.min.js></script>
 <script src=https://cdn.jsdelivr.net/npm/web-ignition@1.1/dist/library.min.js></script>
 <script src=hamburger-menu.js></script>
diff --git a/docs/multipage/about.html b/docs/multipage/about.html
index 5ceead2..ae52378 100644
--- a/docs/multipage/about.html
+++ b/docs/multipage/about.html
@@ -75,7 +75,7 @@ <h2>Hamburgers rule!</h2>
    <a href=https://github.com/center-key/hamburger-menu><i data-brand=github-alt></i></a>
 </footer>
 
-<script src=https://cdn.jsdelivr.net/npm/jquery@3.3/dist/jquery.min.js></script>
+<script src=https://cdn.jsdelivr.net/npm/jquery@3.4/dist/jquery.min.js></script>
 <script src=../hamburger-menu.js></script>
 <script src=../app.js></script>
 </body>
diff --git a/docs/multipage/index.html b/docs/multipage/index.html
index 9b2d8ff..333e9b7 100644
--- a/docs/multipage/index.html
+++ b/docs/multipage/index.html
@@ -64,7 +64,7 @@ <h2>Hamburgers rule!</h2>
    <a href=https://github.com/center-key/hamburger-menu><i data-brand=github-alt></i></a>
 </footer>
 
-<script src=https://cdn.jsdelivr.net/npm/jquery@3.3/dist/jquery.min.js></script>
+<script src=https://cdn.jsdelivr.net/npm/jquery@3.4/dist/jquery.min.js></script>
 <script src=../hamburger-menu.js></script>
 <script src=../app.js></script>
 </body>
diff --git a/docs/multipage/products/index.html b/docs/multipage/products/index.html
index 746aa05..c12a857 100644
--- a/docs/multipage/products/index.html
+++ b/docs/multipage/products/index.html
@@ -52,7 +52,7 @@ <h2>Hamburgers rule!</h2>
    <a href=https://github.com/center-key/hamburger-menu><i data-brand=github-alt></i></a>
 </footer>
 
-<script src=https://cdn.jsdelivr.net/npm/jquery@3.3/dist/jquery.min.js></script>
+<script src=https://cdn.jsdelivr.net/npm/jquery@3.4/dist/jquery.min.js></script>
 <script src=../../hamburger-menu.js></script>
 <script src=../../app.js></script>
 </body>
diff --git a/docs/multipage/products/x3000.html b/docs/multipage/products/x3000.html
index aa0d01c..b33d5bd 100644
--- a/docs/multipage/products/x3000.html
+++ b/docs/multipage/products/x3000.html
@@ -52,7 +52,7 @@ <h2>Hamburgers rule!</h2>
    <a href=https://github.com/center-key/hamburger-menu><i data-brand=github-alt></i></a>
 </footer>
 
-<script src=https://cdn.jsdelivr.net/npm/jquery@3.3/dist/jquery.min.js></script>
+<script src=https://cdn.jsdelivr.net/npm/jquery@3.4/dist/jquery.min.js></script>
 <script src=../../hamburger-menu.js></script>
 <script src=../../app.js></script>
 </body>
diff --git a/docs/multipage/products/x3200.html b/docs/multipage/products/x3200.html
index cab0177..93f6640 100644
--- a/docs/multipage/products/x3200.html
+++ b/docs/multipage/products/x3200.html
@@ -52,7 +52,7 @@ <h2>Hamburgers rule!</h2>
    <a href=https://github.com/center-key/hamburger-menu><i data-brand=github-alt></i></a>
 </footer>
 
-<script src=https://cdn.jsdelivr.net/npm/jquery@3.3/dist/jquery.min.js></script>
+<script src=https://cdn.jsdelivr.net/npm/jquery@3.4/dist/jquery.min.js></script>
 <script src=../../hamburger-menu.js></script>
 <script src=../../app.js></script>
 </body>
diff --git a/docs/multipage/support.html b/docs/multipage/support.html
index db1c0ce..552739e 100644
--- a/docs/multipage/support.html
+++ b/docs/multipage/support.html
@@ -87,7 +87,7 @@ <h2>Hamburgers rule!</h2>
    <a href=https://github.com/center-key/hamburger-menu><i data-brand=github-alt></i></a>
 </footer>
 
-<script src=https://cdn.jsdelivr.net/npm/jquery@3.3/dist/jquery.min.js></script>
+<script src=https://cdn.jsdelivr.net/npm/jquery@3.4/dist/jquery.min.js></script>
 <script src=../hamburger-menu.js></script>
 <script src=../app.js></script>
 </body>
diff --git a/docs/single-page-app/index.html b/docs/single-page-app/index.html
index e02fc7c..4034978 100644
--- a/docs/single-page-app/index.html
+++ b/docs/single-page-app/index.html
@@ -64,7 +64,7 @@ <h2>Hamburgers rule!</h2>
    <a href=https://github.com/center-key/hamburger-menu><i data-brand=github-alt></i></a>
 </footer>
 
-<script src=https://cdn.jsdelivr.net/npm/jquery@3.3/dist/jquery.min.js></script>
+<script src=https://cdn.jsdelivr.net/npm/jquery@3.4/dist/jquery.min.js></script>
 <script src=../hamburger-menu.js></script>
 <script src=../app.js></script>
 </body>
diff --git a/package.json b/package.json
index eb18fc3..6218f4d 100644
--- a/package.json
+++ b/package.json
@@ -22,8 +22,9 @@
       "ui"
    ],
    "jshintConfig": {
-      "esversion": 6,
+      "esversion": 9,
       "strict": "implied",
+      "eqeqeq": true,
       "undef": true,
       "unused": true,
       "browser": true,
@@ -37,7 +38,7 @@
       "test": "gulp lint-html && gulp build-dist"
    },
    "dependencies": {
-      "jquery": "~3.3"
+      "jquery": "~3.4"
    },
    "devDependencies": {
       "@babel/core": "~7.4",