diff --git a/package.json b/package.json
index 118a820..8980f88 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
   },
   "dependencies": {
     "@github/catalyst": "^1.1.3",
+    "lit-html": "^1.4.1",
     "validator": "^13.6.0"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 0cd2bdc..3d7fa1c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4069,9 +4069,9 @@ levn@^0.4.1:
     prelude-ls "^1.2.1"
     type-check "~0.4.0"
 
-core/utils@^1.4.1:
+lit-html@^1.4.1:
   version "1.4.1"
-  resolved "https://registry.yarnpkg.com/core/utils/-/core/utils-1.4.1.tgz#0c6f3ee4ad4eb610a49831787f0478ad8e9ae5e0"
+  resolved "https://registry.yarnpkg.com/lit-html/-/lit-html-1.4.1.tgz#0c6f3ee4ad4eb610a49831787f0478ad8e9ae5e0"
   integrity sha512-B9btcSgPYb1q4oSOb/PrOT6Z/H+r6xuNzfH4lFli/AWhYwdtrgQkQWBbIc6mdnf6E2IL3gDXdkkqNktpU0OZQA==
 
 load-json-file@^1.0.0: