diff --git a/package-lock.json b/package-lock.json
index 842cb31..6db6b5b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,12 +30,6 @@
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       "dev": true
     },
-    "@types/google-protobuf": {
-      "version": "3.7.2",
-      "resolved": "https://registry.npmjs.org/@types/google-protobuf/-/google-protobuf-3.7.2.tgz",
-      "integrity": "sha512-ifFemzjNchFBCtHS6bZNhSZCBu7tbtOe0e8qY0z2J4HtFXmPJjm6fXSaQsTG7yhShBEZtt2oP/bkwu5k+emlkQ==",
-      "dev": true
-    },
     "@types/node": {
       "version": "12.12.14",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.14.tgz",
@@ -1233,9 +1227,9 @@
       }
     },
     "terser": {
-      "version": "4.4.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.4.0.tgz",
-      "integrity": "sha512-oDG16n2WKm27JO8h4y/w3iqBGAOSCtq7k8dRmrn4Wf9NouL0b2WpMHGChFGZq4nFAQy1FsNJrVQHfurXOSTmOA==",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",