diff --git a/package-lock.json b/package-lock.json
index 21abc26..97e74ef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,6 +25,12 @@
         "three": "*"
       }
     },
+    "abab": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/abab/-/abab-2.0.6.tgz",
+      "integrity": "sha512-j2afSsaIENvHZN2B8GOpF566vZ5WVk5opAiMTvWgaQT8DkbOqsTfvNAvHoRGU2zzP8cPoqys+xHTRDWW8L+/BA==",
+      "dev": true
+    },
     "agent-base": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.3.0.tgz",
@@ -233,15 +239,6 @@
       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
       "dev": true
     },
-    "async": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
-      "dev": true,
-      "requires": {
-        "lodash": "^4.17.14"
-      }
-    },
     "async-done": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/async-done/-/async-done-1.3.2.tgz",
@@ -376,12 +373,6 @@
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       "dev": true
     },
-    "big.js": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/big.js/-/big.js-5.2.2.tgz",
-      "integrity": "sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ==",
-      "dev": true
-    },
     "binary-extensions": {
       "version": "1.13.1",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.13.1.tgz",
@@ -829,12 +820,6 @@
         "object.defaults": "^1.1.0"
       }
     },
-    "emojis-list": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-3.0.0.tgz",
-      "integrity": "sha512-/kyM18EfinwXZbno9FyUGeFh87KC8HRQBQGildHZbEuRyWFOmv1U10o9BBp8XVZDVNNuQKyIGIu5ZYAAXJ0V2Q==",
-      "dev": true
-    },
     "end-of-stream": {
       "version": "1.4.4",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
@@ -2184,6 +2169,15 @@
         }
       }
     },
+    "iconv-lite": {
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
+      "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
+      "dev": true,
+      "requires": {
+        "safer-buffer": ">= 2.1.2 < 3.0.0"
+      }
+    },
     "ieee754": {
       "version": "1.1.13",
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.13.tgz",
@@ -2451,15 +2445,6 @@
       "integrity": "sha1-nbe1lJatPzz+8wp1FC0tkwrXJlE=",
       "dev": true
     },
-    "json5": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
-      "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
-      "dev": true,
-      "requires": {
-        "minimist": "^1.2.0"
-      }
-    },
     "just-debounce": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/just-debounce/-/just-debounce-1.0.0.tgz",
@@ -2538,23 +2523,6 @@
         "strip-bom": "^2.0.0"
       }
     },
-    "loader-utils": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.4.0.tgz",
-      "integrity": "sha512-qH0WSMBtn/oHuwjy/NucEgbx5dbxxnxup9s4PVXJUDHZBQY+s0NWA9rJf53RBnQZxfch7euUui7hpoAPvALZdA==",
-      "dev": true,
-      "requires": {
-        "big.js": "^5.2.2",
-        "emojis-list": "^3.0.0",
-        "json5": "^1.0.1"
-      }
-    },
-    "lodash": {
-      "version": "4.17.19",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
-      "dev": true
-    },
     "lodash._reinterpolate": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz",
@@ -2681,12 +2649,6 @@
         "brace-expansion": "^1.1.7"
       }
     },
-    "minimist": {
-      "version": "1.2.5",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
-      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
-      "dev": true
-    },
     "mixin-deep": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.2.tgz",
@@ -3333,6 +3295,12 @@
         "ret": "~0.1.10"
       }
     },
+    "safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "dev": true
+    },
     "sax": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.1.tgz",
@@ -3505,14 +3473,21 @@
       "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
       "dev": true
     },
+    "source-map-js": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
+      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
+      "dev": true
+    },
     "source-map-loader": {
-      "version": "0.2.4",
-      "resolved": "https://registry.npmjs.org/source-map-loader/-/source-map-loader-0.2.4.tgz",
-      "integrity": "sha512-OU6UJUty+i2JDpTItnizPrlpOIBLmQbWMuBg9q5bVtnHACqw1tn9nNwqJLbv0/00JjnJb/Ee5g5WS5vrRv7zIQ==",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/source-map-loader/-/source-map-loader-4.0.1.tgz",
+      "integrity": "sha512-oqXpzDIByKONVY8g1NUPOTQhe0UTU5bWUl32GSkqK2LjJj0HmwTMVKxcUip0RgAYhY1mqgOxjbQM48a0mmeNfA==",
       "dev": true,
       "requires": {
-        "async": "^2.5.0",
-        "loader-utils": "^1.1.0"
+        "abab": "^2.0.6",
+        "iconv-lite": "^0.6.3",
+        "source-map-js": "^1.0.2"
       }
     },
     "source-map-resolve": {
diff --git a/package.json b/package.json
index da24465..8c0e7c3 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "@types/three": "^0.103.2",
     "dat.gui": "^0.7.7",
     "shapediver-types": "^1.0.76",
-    "source-map-loader": "^0.2.4"
+    "source-map-loader": "^4.0.1"
   },
   "keywords": []
 }
\ No newline at end of file