diff --git a/package-lock.json b/package-lock.json
index bf50452..4901ee6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -930,10 +930,6 @@
         "yallist": "^2.1.2"
       }
     },
-    "markflat.showdown": {
-      "version": "1.0.0",
-      "resolved": "github:takb/markflat.showdown#6f770424daeb6b117103a5361a005253702e78cd"
-    },
     "media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -1702,9 +1698,9 @@
       "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
     },
     "y18n": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
-      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE="
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.2.tgz",
+      "integrity": "sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ=="
     },
     "yallist": {
       "version": "2.1.2",