diff --git a/package-lock.json b/package-lock.json
index 33c3f0b..36be55b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -639,7 +639,7 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         },
@@ -7137,7 +7137,7 @@
     },
     "jasmine-core": {
       "version": "2.99.1",
-      "resolved": "http://registry.npmjs.org/jasmine-core/-/jasmine-core-2.99.1.tgz",
+      "resolved": "https://registry.npmjs.org/jasmine-core/-/jasmine-core-2.99.1.tgz",
       "integrity": "sha1-5kAN8ea1bhMLYcS80JPap/boyhU=",
       "dev": true
     },
@@ -7635,7 +7635,7 @@
       "dependencies": {
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw="
         }
       }
@@ -7666,9 +7666,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
     },
     "lodash.clonedeep": {
       "version": "4.5.0",
@@ -8027,7 +8027,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
         }
       }
@@ -8379,7 +8379,7 @@
       "dependencies": {
         "semver": {
           "version": "5.3.0",
-          "resolved": "http://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
           "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8="
         }
       }
@@ -8914,7 +8914,7 @@
     },
     "os-locale": {
       "version": "1.4.0",
-      "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
       "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
       "requires": {
         "lcid": "^1.0.0"
@@ -10039,7 +10039,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw="
         }
       }
@@ -12416,7 +12416,7 @@
       "dependencies": {
         "lru-cache": {
           "version": "2.2.4",
-          "resolved": "http://registry.npmjs.org/lru-cache/-/lru-cache-2.2.4.tgz",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.2.4.tgz",
           "integrity": "sha1-bGWGGb7PFAMdDQtZSxYELOTcBj0=",
           "dev": true
         }
diff --git a/package.json b/package.json
index ba14418..2b23fcb 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "cytoscape": "^3.8.1",
     "file-saver": "^2.0.1",
     "hammerjs": "^2.0.8",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.19",
     "node-sass": "^4.12.0",
     "rxjs": "^6.4.0",
     "sass-loader": "^7.1.0",