diff --git a/package-lock.json b/package-lock.json
index 3b0d27b..390f675 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4318,6 +4318,12 @@
       "integrity": "sha512-/NdNZVJg+uZgtm9eS3O6lrOLYmQag2DjdEXuPaHlZ6RuVqgqaVZfgYCepEIKsLqwdQArOPtC3XzRLqGGfT8KQQ==",
       "dev": true
     },
+    "es6-promisify": {
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/es6-promisify/-/es6-promisify-6.1.1.tgz",
+      "integrity": "sha512-HBL8I3mIki5C1Cc9QjKUenHtnG0A5/xA8Q/AllRcfiwl2CZFXGK7ddBiCoRwAix4i2KxcQfjtIVcrVbB3vbmwg==",
+      "dev": true
+    },
     "escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
@@ -9841,15 +9847,26 @@
       }
     },
     "pem": {
-      "version": "1.12.3",
-      "resolved": "https://registry.npmjs.org/pem/-/pem-1.12.3.tgz",
-      "integrity": "sha512-hT7GwvQL35+0iqgYUl8vn5I5pAVR0HcJas07TXL8bNaR4c5kAFRquk4ZqQk1F9YMcQOr6WjGdY5OnDC0RBnzig==",
+      "version": "1.13.2",
+      "resolved": "https://registry.npmjs.org/pem/-/pem-1.13.2.tgz",
+      "integrity": "sha512-MPJWuEb/r6AG+GpZi2JnfNtGAZDeL/8+ERKwXEWRuST5i+4lq/Uy36B352OWIUSPQGH+HR1HEDcIDi+8cKxXNg==",
       "dev": true,
       "requires": {
-        "md5": "2.2.1",
-        "os-tmpdir": "1.0.2",
-        "safe-buffer": "5.1.1",
-        "which": "1.3.0"
+        "es6-promisify": "^6.0.0",
+        "md5": "^2.2.1",
+        "os-tmpdir": "^1.0.1",
+        "which": "^1.3.1"
+      },
+      "dependencies": {
+        "which": {
+          "version": "1.3.1",
+          "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+          "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+          "dev": true,
+          "requires": {
+            "isexe": "^2.0.0"
+          }
+        }
       }
     },
     "pend": {
@@ -10250,7 +10267,7 @@
         "mz": "2.7.0",
         "opn": "3.0.3",
         "parse5": "2.2.3",
-        "pem": "1.12.3",
+        "pem": "1.13.2",
         "polymer-build": "2.5.0",
         "requirejs": "2.3.5",
         "resolve": "1.6.0",