diff --git a/package-lock.json b/package-lock.json
index 8aa1bc9..a64e90c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1582,9 +1582,9 @@
       "dev": true
     },
     "clean-css": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.1.tgz",
-      "integrity": "sha512-4ZxI6dy4lrY6FHzfiy1aEOXgu4LIsW2MhwG0VBKdcoGoH/XLFgaHSdLTGr4O8Be6A8r3MOphEiI8Gc1n0ecf3g==",
+      "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"
@@ -3804,9 +3804,9 @@
       "dev": true
     },
     "sapper": {
-      "version": "0.27.9",
-      "resolved": "https://registry.npmjs.org/sapper/-/sapper-0.27.9.tgz",
-      "integrity": "sha512-v3b3UgGeVhFUOpA5IZgdThdr4nZ6aMH6IxDsg1Yu2UWHWEV9vW/Zehch9M/xqJNp/x9n9X+S9syJg1s5QOOmFA==",
+      "version": "0.27.11",
+      "resolved": "https://registry.npmjs.org/sapper/-/sapper-0.27.11.tgz",
+      "integrity": "sha512-5EaPZhlc8OnyN3UCI6dRSM1Gz5sxyzLZG/1z5nMvZhg9Ng+rSvEvJx/rW/tSHcnQPa8or7+YcbfvQHKS5oPHiw==",
       "dev": true,
       "requires": {
         "html-minifier": "^4.0.0",
@@ -4215,6 +4215,14 @@
         "svelte": "^3.12.1",
         "svelte-waypoint": "^0.1.4",
         "svgo": "^1.2.2"
+      },
+      "dependencies": {
+        "svelte": {
+          "version": "3.24.1",
+          "resolved": "https://registry.npmjs.org/svelte/-/svelte-3.24.1.tgz",
+          "integrity": "sha512-OX/IBVUJSFo1rnznXdwf9rv6LReJ3qQ0PwRjj76vfUWyTfbHbR9OXqJBnUrpjyis2dwYcbT2Zm1DFjOOF1ZbbQ==",
+          "dev": true
+        }
       }
     },
     "svelte-preprocess-filter": {
@@ -4402,22 +4410,10 @@
       "dev": true
     },
     "uglify-js": {
-      "version": "3.7.5",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.7.5.tgz",
-      "integrity": "sha512-GFZ3EXRptKGvb/C1Sq6nO1iI7AGcjyqmIyOw0DrD0675e+NNbGO72xmMM2iEBdFbxaTLo70NbjM/Wy54uZIlsg==",
-      "dev": true,
-      "requires": {
-        "commander": "~2.20.3",
-        "source-map": "~0.6.1"
-      },
-      "dependencies": {
-        "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
-        }
-      }
+      "version": "3.10.3",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.10.3.tgz",
+      "integrity": "sha512-Lh00i69Uf6G74mvYpHCI9KVVXLcHW/xu79YTvH7Mkc9zyKUeSPz0owW0dguj0Scavns3ZOh3wY63J0Zb97Za2g==",
+      "dev": true
     },
     "unicode-canonical-property-names-ecmascript": {
       "version": "1.0.4",
diff --git a/package.json b/package.json
index 8c5a090..6079507 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "rollup-plugin-node-resolve": "^5.2.0",
     "rollup-plugin-svelte": "matyunya/rollup-plugin-svelte",
     "rollup-plugin-terser": "^4.0.4",
-    "sapper": "^0.27.0",
+    "sapper": "^0.27.11",
     "svelte": "matyunya/svelte#strict-order",
     "svelte-image": "^0.1.6",
     "svelte-preprocess-sass": "^0.2.0"