diff --git a/package-lock.json b/package-lock.json
index 5a917ef0..2a0c4710 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5446,6 +5446,11 @@
         "minimatch": "^3.0.4"
       }
     },
+    "immediate": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/immediate/-/immediate-3.0.6.tgz",
+      "integrity": "sha1-nbHb0Pr43m++D13V5Wu2BigN5ps="
+    },
     "import-fresh": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.0.0.tgz",
@@ -6090,6 +6095,14 @@
         "type-check": "~0.3.2"
       }
     },
+    "lie": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/lie/-/lie-3.1.1.tgz",
+      "integrity": "sha1-mkNrLMd0bKWd56QfpGmz77dr2H4=",
+      "requires": {
+        "immediate": "~3.0.5"
+      }
+    },
     "loader-runner": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/loader-runner/-/loader-runner-2.3.1.tgz",
@@ -6124,6 +6137,14 @@
         }
       }
     },
+    "localforage": {
+      "version": "1.7.3",
+      "resolved": "https://registry.npmjs.org/localforage/-/localforage-1.7.3.tgz",
+      "integrity": "sha512-1TulyYfc4udS7ECSBT2vwJksWbkwwTX8BzeUIiq8Y07Riy7bDAAnxDaPU/tWyOVmQAcWJIEIFP9lPfBGqVoPgQ==",
+      "requires": {
+        "lie": "3.1.1"
+      }
+    },
     "locate-path": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
diff --git a/package.json b/package.json
index 6229015a..8983e698 100644
--- a/package.json
+++ b/package.json
@@ -64,6 +64,7 @@
     "express": "^4.16.4",
     "fs-extra": "^7.0.1",
     "got": "^9.5.1",
+    "localforage": "^1.7.3",
     "lodash": "^4.17.11",
     "sql-template-strings": "^2.2.2",
     "sqlite": "^3.0.0",