diff --git a/example/package-lock.json b/example/package-lock.json
index 284a58d..ff90e6a 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -10210,10 +10210,7 @@
       "integrity": "sha512-bOUvMWFQVk5oz8Ded9Xb7WVdEi3QGLC8tH7HmYP0Fdp4Bn3qw0tRFmr5TW6mvahzvmrK4a6bqWGfCevBflP+Xw=="
     },
     "react-head": {
-      "version": "file:..",
-      "requires": {
-        "@babel/runtime": "^7.11.2"
-      }
+      "version": "file:.."
     },
     "react-is": {
       "version": "16.10.2",
@@ -11868,9 +11865,9 @@
       "integrity": "sha512-4WK/bYZmj8xLr+HUCODHGF1ZFzsYffasLUgEiMBY4fgtltdO6B4WJtlSbPaDTLpYTcGVwM2qLnFTICEcNxs3kA=="
     },
     "terser": {
-      "version": "4.3.8",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.3.8.tgz",
-      "integrity": "sha512-otmIRlRVmLChAWsnSFNO0Bfk6YySuBp6G9qrHiJwlLDd4mxe2ta4sjI7TzIR+W1nBMjilzrMcPOz9pSusgx3hQ==",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
       "requires": {
         "commander": "^2.20.0",
         "source-map": "~0.6.1",