diff --git a/package-lock.json b/package-lock.json
index 0ab4053..4338e82 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2,10 +2,166 @@
   "requires": true,
   "lockfileVersion": 1,
   "dependencies": {
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
+    },
+    "bootstrap": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.4.1.tgz",
+      "integrity": "sha512-tbx5cHubwE6e2ZG7nqM3g/FZ5PQEDMWmMGNrCUBVRPHXTJaH7CBDdsLeu3eCh3B1tzAxTnAbtmrzvWEvT2NNEA=="
+    },
+    "bootstrap-drawer": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/bootstrap-drawer/-/bootstrap-drawer-1.0.6.tgz",
+      "integrity": "sha1-mFl71Q9em83ToLNPEKsWavyidUM=",
+      "requires": {
+        "bootstrap": "3.x",
+        "jquery": "2.x"
+      },
+      "dependencies": {
+        "bootstrap": {
+          "version": "3.4.1",
+          "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-3.4.1.tgz",
+          "integrity": "sha512-yN5oZVmRCwe5aKwzRj6736nSmKDX7pLYwsXiCj/EYmo16hODaBiT4En5btW/jhBF/seV+XMx3aYwukYC3A49DA=="
+        },
+        "jquery": {
+          "version": "2.2.4",
+          "resolved": "https://registry.npmjs.org/jquery/-/jquery-2.2.4.tgz",
+          "integrity": "sha1-LInWiJterFIqfuoywUUhVZxsvwI="
+        }
+      }
+    },
+    "brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dev": true,
+      "requires": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "clean-css": {
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.3.tgz",
+      "integrity": "sha512-VcMWDN54ZN/DS+g58HYL5/n4Zrqe8vHJpGA8KdgUXFU4fuP/aHNw8eld9SyEIyabIMJX/0RaY/fplOo5hYLSFA==",
+      "dev": true,
+      "requires": {
+        "source-map": "~0.6.0"
+      }
+    },
+    "clean-css-cli": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-4.3.0.tgz",
+      "integrity": "sha512-8GHZfr+mG3zB/Lgqrr27qHBFsPSn0fyEI3f2rIZpxPxUbn2J6A8xyyeBRVTW8duDuXigN0s80vsXiXJOEFIO5Q==",
+      "dev": true,
+      "requires": {
+        "clean-css": "^4.2.1",
+        "commander": "2.x",
+        "glob": "7.x"
+      }
+    },
+    "commander": {
+      "version": "2.20.3",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
+      "dev": true
+    },
+    "concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
+    },
+    "fs.realpath": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
+    },
+    "glob": {
+      "version": "7.1.6",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
+      "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
+      "dev": true,
+      "requires": {
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^3.0.4",
+        "once": "^1.3.0",
+        "path-is-absolute": "^1.0.0"
+      }
+    },
+    "inflight": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "dev": true,
+      "requires": {
+        "once": "^1.3.0",
+        "wrappy": "1"
+      }
+    },
+    "inherits": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+      "dev": true
+    },
+    "jquery": {
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.4.1.tgz",
+      "integrity": "sha512-36+AdBzCL+y6qjw5Tx7HgzeGCzC81MDDgaUP8ld2zhx58HdqXGoBd+tHdrBMiyjGQs0Hxs/MLZTu/eHNJJuWPw=="
+    },
+    "minimatch": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "dev": true,
+      "requires": {
+        "brace-expansion": "^1.1.7"
+      }
+    },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
+        "wrappy": "1"
+      }
+    },
+    "path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
+    },
+    "source-map": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+      "dev": true
+    },
+    "typeface-oswald": {
+      "version": "0.0.45",
+      "resolved": "https://registry.npmjs.org/typeface-oswald/-/typeface-oswald-0.0.45.tgz",
+      "integrity": "sha512-kNr8vulhxnISLjqZV9+vz79osVRriHvnT/3nUmbBCpoEjSzkd18d4jxpF5gidibJ3ukMnvbe7XWfMfp4h4RlMg=="
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    },
     "yarn": {
-      "version": "1.17.3",
-      "resolved": "https://registry.npmjs.org/yarn/-/yarn-1.17.3.tgz",
-      "integrity": "sha512-CgA8o7nRZaQvmeF/WBx2FC7f9W/0X59T2IaLYqgMo6637wfp5mMEsM3YXoJtKUspnpmDJKl/gGFhnqS+sON7hA=="
+      "version": "1.22.0",
+      "resolved": "https://registry.npmjs.org/yarn/-/yarn-1.22.0.tgz",
+      "integrity": "sha512-KMHP/Jq53jZKTY9iTUt3dIVl/be6UPs2INo96+BnZHLKxYNTfwMmlgHTaMWyGZoO74RI4AIFvnWhYrXq2USJkg=="
     }
   }
 }
diff --git a/package.json b/package.json
index c1b076a..0640d3a 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
     "bootstrap-drawer": "^1.0.6",
     "jquery": "^3.2.1",
     "typeface-oswald": "^0.0.45",
-    "yarn": "^1.17.3"
+    "yarn": "^1.22.0"
   },
   "devDependencies": {
     "clean-css-cli": "^4.1.10"
diff --git a/yarn.lock b/yarn.lock
index 11ac59f..840f8ec 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -133,7 +133,7 @@ wrappy@1:
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
   integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
 
-yarn@^1.17.3:
-  version "1.17.3"
-  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.17.3.tgz#60e0b77d079eb78e753bb616f7592b51b6a9adce"
-  integrity sha512-CgA8o7nRZaQvmeF/WBx2FC7f9W/0X59T2IaLYqgMo6637wfp5mMEsM3YXoJtKUspnpmDJKl/gGFhnqS+sON7hA==
+yarn@^1.22.0:
+  version "1.22.0"
+  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.22.0.tgz#acf82906e36bcccd1ccab1cfb73b87509667c881"
+  integrity sha512-KMHP/Jq53jZKTY9iTUt3dIVl/be6UPs2INo96+BnZHLKxYNTfwMmlgHTaMWyGZoO74RI4AIFvnWhYrXq2USJkg==