diff --git a/package-lock.json b/package-lock.json
index f3b5f78f7..742800ca7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25673,7 +25673,8 @@
         "colorette": "^2.0.20",
         "commander": "^11.1.0",
         "npm-pick-manifest": "^9.0.0",
-        "ts-node": "^10.9.1"
+        "ts-node": "^10.9.1",
+        "yaml": "^2.3.4"
       },
       "bin": {
         "apphosting-local-build": "dist/bin/localbuild.js"
diff --git a/packages/@apphosting/build/package.json b/packages/@apphosting/build/package.json
index 65867e3de..e8d14da90 100644
--- a/packages/@apphosting/build/package.json
+++ b/packages/@apphosting/build/package.json
@@ -42,7 +42,8 @@
         "colorette": "^2.0.20",
         "commander": "^11.1.0",
         "npm-pick-manifest": "^9.0.0",
-        "ts-node": "^10.9.1"
+        "ts-node": "^10.9.1",
+        "yaml": "^2.3.4"
     },
     "devDependencies": {
         "@types/commander": "*",