diff --git a/package.json b/package.json
index 5fed2278..b52327bf 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,7 @@
   "dependencies": {
     "npm": "^6.0.1",
     "parcel": "^1.9.7",
+    "text-mask-addons": "^3.8.0",
     "uswds": "^1.6.3",
     "vue": "^2.5.17",
     "vue-text-mask": "^6.1.2"
diff --git a/yarn.lock b/yarn.lock
index d1e24cf1..ab510b61 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6325,6 +6325,10 @@ terser@^3.7.3:
     source-map "~0.6.1"
     source-map-support "~0.5.6"
 
+text-mask-addons@^3.8.0:
+  version "3.8.0"
+  resolved "https://registry.yarnpkg.com/text-mask-addons/-/text-mask-addons-3.8.0.tgz#17b61ef665a4f36811f2ea1f01a223b4be61ab26"
+
 text-table@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"