diff --git a/frontend/src/main/resources/webapp/package-lock.json b/frontend/src/main/resources/webapp/package-lock.json
index d1e1ac4..9b1adf9 100644
--- a/frontend/src/main/resources/webapp/package-lock.json
+++ b/frontend/src/main/resources/webapp/package-lock.json
@@ -866,7 +866,7 @@
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-      "resolved": "http://registry.npmjs.org/ajv/-/ajv-6.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.4.0.tgz",
       "integrity": "sha1-06/3jpJ3VJdx2vAWTP9ISCt1T8Y=",
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@@ -1115,7 +1115,7 @@
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-      "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
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@@ -1197,7 +1197,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -4124,7 +4124,7 @@
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-      "resolved": "http://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
       "integrity": "sha1-jpQ9E1jcN1VQVOy+LtsFqhdO3hQ=",
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@@ -6048,7 +6048,7 @@
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-          "resolved": "http://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
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@@ -6139,7 +6139,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -6485,7 +6485,7 @@
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-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.32.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.32.0.tgz",
           "integrity": "sha1-AwiOnr+edWtpdRYR0qXvWRSCyZU=",
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@@ -6564,7 +6564,7 @@
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-      "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=",
       "dev": true,
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@@ -7219,7 +7219,7 @@
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-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
       "dev": true,
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@@ -8339,7 +8339,7 @@
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     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
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@@ -8458,18 +8458,18 @@
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-      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.2.tgz",
-      "integrity": "sha512-BfkE9CciGGgDsATqkikUHrQrraBCO+ke/1f6SFAEMnxyyfN9lxC+nW1NFWMpqH865DhHIy9vQi682gk1X7friw==",
+      "version": "4.4.15",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.15.tgz",
+      "integrity": "sha512-ItbufpujXkry7bHH9NpQyTXPbJ72iTlXgkBAYsAjDXk3Ds8t/3NfO5P4xZGy7u+sYuQUbimgzswX4uQIEeNVOA==",
       "dev": true,
       "requires": {
-        "chownr": "^1.0.1",
+        "chownr": "^1.1.1",
         "fs-minipass": "^1.2.5",
-        "minipass": "^2.2.4",
-        "minizlib": "^1.1.0",
+        "minipass": "^2.8.6",
+        "minizlib": "^1.2.1",
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         "safe-buffer": "^5.1.2",
-        "yallist": "^3.0.2"
+        "yallist": "^3.0.3"
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@@ -8659,7 +8659,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
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diff --git a/frontend/src/main/resources/webapp/package.json b/frontend/src/main/resources/webapp/package.json
index f36e549..89cd845 100644
--- a/frontend/src/main/resources/webapp/package.json
+++ b/frontend/src/main/resources/webapp/package.json
@@ -53,7 +53,7 @@
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     "querystringify": "2.1.1",
     "set-value": "2.0.1",
-    "tar": "4.4.2",
+    "tar": "4.4.15",
     "ts-node": "~2.0.0",
     "typescript": "2.9.2",
     "webpack": "4.18.0",