diff --git a/package.json b/package.json
index 2f4f57b..4aad8dc 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "coffeeify": "1.0.0",
     "jquery": "2.1.1",
     "uglifyify": "2.6.0",
-    "underscore": "1.7.0",
+    "underscore": "1.12.1",
     "underscore-ebook-template": "git+https://github.com/underscoreio/underscore-ebook-template.git#0.5.0"
   },
   "scripts": {
diff --git a/yarn.lock b/yarn.lock
index 318b97a..50e643b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -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"
@@ -2277,7 +2278,11 @@ underscore.string@~2.4.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/underscore.string/-/underscore.string-2.4.0.tgz#8cdd8fbac4e2d2ea1e7e2e8097c42f442280f85b"
 
-underscore@1.7.0, underscore@~1.7.0:
+underscore@1.12.1:
+  version "1.12.1"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.12.1.tgz#7bb8cc9b3d397e201cf8553336d262544ead829e"
+
+underscore@~1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.7.0.tgz#6bbaf0877500d36be34ecaa584e0db9fef035209"