diff --git a/server/package-lock.json b/server/package-lock.json
index 2307011b..cc9be4a1 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "math3d-server",
-  "version": "1.2.8",
+  "version": "1.2.9",
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   "requires": true,
   "packages": {
     "": {
       "name": "math3d-server",
-      "version": "1.2.8",
+      "version": "1.2.9",
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@@ -7891,12 +7891,9 @@
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-      "integrity": "sha1-Il9rngM3Zj4Njnz9aG/Cg2zKznY=",
-      "dependencies": {
-        "debug": "^2.2.0"
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+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
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@@ -9999,9 +9996,9 @@
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-      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.6.tgz",
-      "integrity": "sha512-EvVNVeGo4tHxwi8L6bPj3y3itEvStdwvvlojVxxbyYfoaxJ6keLgrTuKdyfEAszFK+H3olzBuafE0yoh0D1gdg=="
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.1.tgz",
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@@ -10634,29 +10631,17 @@
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-      "version": "6.5.4",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
-      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
+      "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
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-        "brorand": "^1.1.0",
+        "bn.js": "^4.4.0",
+        "brorand": "^1.0.1",
         "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.1",
-        "inherits": "^2.0.4",
-        "minimalistic-assert": "^1.0.1",
-        "minimalistic-crypto-utils": "^1.0.1"
-      },
-      "dependencies": {
-        "bn.js": {
-          "version": "4.12.0",
-          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
-          "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
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-        "inherits": {
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-          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
-          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
-        }
+        "hmac-drbg": "^1.0.0",
+        "inherits": "^2.0.1",
+        "minimalistic-assert": "^1.0.0",
+        "minimalistic-crypto-utils": "^1.0.0"
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@@ -12714,9 +12699,9 @@
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
-      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
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     "loose-envify": {
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@@ -14654,9 +14639,9 @@
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-      "resolved": "https://registry.npmjs.org/ssri/-/ssri-6.0.2.tgz",
-      "integrity": "sha512-cepbSq/neFK7xB6A50KHN0xHDotYzq58wWCa5LeWqnPrHG8GzfEjO/4O8kpmcGW+oaxkvhEJCWgbgNk4/ZV93Q==",
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/ssri/-/ssri-6.0.1.tgz",
+      "integrity": "sha512-3Wge10hNcT1Kur4PDFwEieXSCMCJs/7WvSACcrMYrNp+b8kDL1/0wJch5Ni2WrtwEa2IO8OsVfeKIciKCDx/QA==",
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@@ -15037,12 +15022,9 @@
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-      "integrity": "sha1-Il9rngM3Zj4Njnz9aG/Cg2zKznY=",
-      "requires": {
-        "debug": "^2.2.0"
-      }
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
+      "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA=="
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     "unicode-canonical-property-names-ecmascript": {
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@@ -15558,9 +15540,9 @@
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     "y18n": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.1.tgz",
-      "integrity": "sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ=="
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
+      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w=="
     },
     "yallist": {
       "version": "3.0.3",