diff --git a/package-lock.json b/package-lock.json
index 85bd838..7c638ee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8374,9 +8374,9 @@
       }
     },
     "node_modules/terser": {
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-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.1.2.tgz",
-      "integrity": "sha512-jvNoEQSPXJdssFwqPSgWjsOrb+ELoE+ILpHPKXC83tIxOlh2U75F1KuB2luLD/3a6/7K3Vw5pDn+hvu0C4AzSw==",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
       "dev": true,
       "dependencies": {
         "commander": "^2.20.0",
@@ -8384,7 +8384,7 @@
         "source-map-support": "~0.5.12"
       },
       "bin": {
-        "terser": "bin/uglifyjs"
+        "terser": "bin/terser"
       },
       "engines": {
         "node": ">=6.0.0"
@@ -15438,7 +15438,7 @@
     "string": {
       "version": "git+ssh://git@github.com/hackmdio/string.js.git#a68176b3d84ce13e19002eb5d052d599873188b8",
       "integrity": "sha512-mzFXH6pmyVoQPXhTnoeL4iXI43OCPLbghXoGISwtaChcvS3AVx5EUpYGT+x1aVgtAbKkjw5zxlG+OYqpozv/CQ==",
-      "from": "string@git+ssh://git@github.com/hackmdio/string.js.git#a68176b3d"
+      "from": "string@https://github.com/hackmdio/string.js.git#a68176b3d84ce13e19002eb5d052d599873188b8"
     },
     "string_decoder": {
       "version": "1.1.1",
@@ -15610,9 +15610,9 @@
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     },
     "terser": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.1.2.tgz",
-      "integrity": "sha512-jvNoEQSPXJdssFwqPSgWjsOrb+ELoE+ILpHPKXC83tIxOlh2U75F1KuB2luLD/3a6/7K3Vw5pDn+hvu0C4AzSw==",
+      "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",