diff --git a/package.json b/package.json
index 2f4f57b..b62a03f 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "devDependencies": {
     "bootstrap": "3.3.1",
     "coffeeify": "1.0.0",
-    "jquery": "2.1.1",
+    "jquery": "3.5.0",
     "uglifyify": "2.6.0",
     "underscore": "1.7.0",
     "underscore-ebook-template": "git+https://github.com/underscoreio/underscore-ebook-template.git#0.5.0"
diff --git a/yarn.lock b/yarn.lock
index 318b97a..77c64bf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1334,9 +1334,9 @@ jodid25519@^1.0.0:
   dependencies:
     jsbn "~0.1.0"
 
-jquery@2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/jquery/-/jquery-2.1.1.tgz#828fc60f50f7ee5983363ef4eb01c5f70af4bd5b"
+jquery@3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.5.0.tgz#9980b97d9e4194611c36530e7dc46a58d7340fc9"
 
 js-yaml@3.2.6:
   version "3.2.6"
@@ -1666,9 +1666,9 @@ pako@~0.2.0:
   version "0.2.9"
   resolved "https://registry.yarnpkg.com/pako/-/pako-0.2.9.tgz#f3f7522f4ef782348da8161bad9ecfd51bf83a75"
 
-pandoc-filter@0.1.4:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/pandoc-filter/-/pandoc-filter-0.1.4.tgz#ff18d0bd701b010eed2667cbcc96f01d82df3f3a"
+pandoc-filter@0.1.6:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/pandoc-filter/-/pandoc-filter-0.1.6.tgz#263d54de26da9d7db6aeb6e0f0fe19ac7a764ad2"
   dependencies:
     get-stdin "~0.1.0"
 
@@ -2250,9 +2250,10 @@ umd@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/umd/-/umd-3.0.1.tgz#8ae556e11011f63c2596708a8837259f01b3d60e"
 
-"underscore-ebook-template@git+https://github.com/underscoreio/underscore-ebook-template.git#0.3.0":
-  version "0.3.0"
-  resolved "git+https://github.com/underscoreio/underscore-ebook-template.git#8e040f91be67fe54e272f29d3093d8b69d6b3615"
+"underscore-ebook-template@git+https://github.com/underscoreio/underscore-ebook-template.git#0.5.0":
+  version "0.5.0"
+  uid "3a4fe1b525193b141267944bffbc8ee5c340587f"
+  resolved "git+https://github.com/underscoreio/underscore-ebook-template.git#3a4fe1b525193b141267944bffbc8ee5c340587f"
   dependencies:
     grunt "0.4.5"
     grunt-browserify "3.3.0"
@@ -2263,7 +2264,7 @@ umd@^3.0.0:
     grunt-contrib-watch "0.6.1"
     grunt-css-url-embed "1.5.0"
     js-yaml "3.2.6"
-    pandoc-filter "0.1.4"
+    pandoc-filter "0.1.6"
 
 underscore.string@~2.2.1:
   version "2.2.1"