diff --git a/package-lock.json b/package-lock.json
index 8468309..bb0ae30 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -569,19 +569,6 @@
         "acorn": "^8.15.0"
       }
     },
-    "node_modules/esprima": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
-      "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
-      "license": "BSD-2-Clause",
-      "bin": {
-        "esparse": "bin/esparse.js",
-        "esvalidate": "bin/esvalidate.js"
-      },
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/etag": {
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
@@ -733,28 +720,6 @@
         "node": ">=6.0"
       }
     },
-    "node_modules/gray-matter/node_modules/argparse": {
-      "version": "1.0.10",
-      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
-      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
-      "license": "MIT",
-      "dependencies": {
-        "sprintf-js": "~1.0.2"
-      }
-    },
-    "node_modules/gray-matter/node_modules/js-yaml": {
-      "version": "3.15.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.15.0.tgz",
-      "integrity": "sha512-ttBQIIQPDeLjpPOohtUdXuXUVoA2uIB6fEH9HyJ7234s5mBJ5wTx20njxplLZQgLaOfpmPQA7X2t5AX6tIPbog==",
-      "license": "MIT",
-      "dependencies": {
-        "argparse": "^1.0.7",
-        "esprima": "^4.0.0"
-      },
-      "bin": {
-        "js-yaml": "bin/js-yaml.js"
-      }
-    },
     "node_modules/htmlparser2": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/htmlparser2/-/htmlparser2-7.2.0.tgz",
@@ -1434,12 +1399,6 @@
         "node": ">=8.0.0"
       }
     },
-    "node_modules/sprintf-js": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
-      "integrity": "sha512-D9cPgkvLlV3t3IzL0D0YLvGA9Ahk4PcvVwUbN0dSGr1aP0Nrt4AEnTUbuGvquEC0mA64Gqt1fzirlRs5ibXx8g==",
-      "license": "BSD-3-Clause"
-    },
     "node_modules/ssri": {
       "version": "11.0.0",
       "resolved": "https://registry.npmjs.org/ssri/-/ssri-11.0.0.tgz",
diff --git a/renovate.json b/renovate.json
new file mode 100644
index 0000000..5896ffb
--- /dev/null
+++ b/renovate.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["local>Sea-Haven-Industries/.github"],
+  "packageRules": [
+    {
+      "description": "gray-matter 4.x binds js-yaml safeLoad/safeDump at require time; Eleventy 3.x still depends on both. Stay on 4.x until Eleventy supports js-yaml 5.",
+      "matchPackageNames": ["js-yaml"],
+      "allowedVersions": "<5"
+    }
+  ]
+}