diff --git a/package-lock.json b/package-lock.json
index 36b5b62..9b07b65 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,9 +17,9 @@
       "dev": true
     },
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-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.0.tgz",
-      "integrity": "sha512-MW/FjM+IvU9CgBzjO3UIPCE2pyEwUsoFl+VGdczOPEdxfGFjuKny/gN54mOuX7Qxmb9Rg9MCn2oKiSUeW+pjrw==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
       "dev": true
     },
     "acorn-jsx": {
@@ -912,9 +912,9 @@
       "dev": true
     },
     "isomorphic.js": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/isomorphic.js/-/isomorphic.js-0.1.0.tgz",
-      "integrity": "sha512-qoOHpuSbJ56TlPR+vi0xRxdhNBbh/xFbgjB2d+ysekcM5iSh9jzxHURnACQxy0Sb9SnZhxxo9EyN+XbGcQhkAg=="
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/isomorphic.js/-/isomorphic.js-0.1.3.tgz",
+      "integrity": "sha512-pabBRLDwYefSsNS+qCazJ97o7P5xDTrNoxSYFTM09JlZTxPrOEPGKekwqUy3/Np4C4PHnVUXHYsZPOix0jELsA=="
     },
     "js-tokens": {
       "version": "3.0.2",
@@ -970,11 +970,11 @@
       }
     },
     "lib0": {
-      "version": "0.2.3",
-      "resolved": "https://registry.npmjs.org/lib0/-/lib0-0.2.3.tgz",
-      "integrity": "sha512-J1Gw9PT78tO3QODgvzk9NVTXTXTsru9LKq+iPOdWw5s1/QiapUKmCJMCWBrNSGkJ0f3WQkZJtGzn3azJwMDdeg==",
+      "version": "0.2.18",
+      "resolved": "https://registry.npmjs.org/lib0/-/lib0-0.2.18.tgz",
+      "integrity": "sha512-Lkp4dyBcoBzde52d86G3ZkNAVBAXOq2zEBl5oSxdv4bl2caZ5AwITPEe7QpAgbG3fNX7kQe1D/sUVJjvlf3N6A==",
       "requires": {
-        "isomorphic.js": "^0.1.0"
+        "isomorphic.js": "^0.1.3"
       }
     },
     "load-json-file": {
@@ -1701,12 +1701,12 @@
       "dev": true
     },
     "yjs": {
-      "version": "13.0.0-105",
-      "resolved": "https://registry.npmjs.org/yjs/-/yjs-13.0.0-105.tgz",
-      "integrity": "sha512-nsTm0LVMsOVKpRYXrJHqu9g+ISphBoEnqropblkTUFBbv0TyYVbq11CqN846ip0RC9Nq1Kh8kZ+QHUL1CHnuyA==",
+      "version": "13.0.4",
+      "resolved": "https://registry.npmjs.org/yjs/-/yjs-13.0.4.tgz",
+      "integrity": "sha512-baMC0LCS1V1qYQimDmpfevaQNgClpGUM0D56L9R38o0nkhY50P2WQm54t3WVSt5sL8QMcRJUmHu+QXtyNHPziQ==",
       "dev": true,
       "requires": {
-        "lib0": "^0.2.2"
+        "lib0": "^0.2.12"
       }
     }
   }