diff --git a/.changeset/mean-squids-slide.md b/.changeset/mean-squids-slide.md
new file mode 100644
index 00000000..626099b1
--- /dev/null
+++ b/.changeset/mean-squids-slide.md
@@ -0,0 +1,6 @@
+---
+"@clack/prompts": minor
+"@clack/core": minor
+---
+
+fix: add engines field expressing node >=20.12 requirement
diff --git a/packages/core/package.json b/packages/core/package.json
index b97d33ab..7dc9bdf6 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -47,6 +47,9 @@
   },
   "license": "MIT",
   "packageManager": "pnpm@9.14.2",
+  "engines": {
+    "node": ">= 20.12.0"
+  },
   "scripts": {
     "build": "unbuild",
     "prepack": "pnpm build",
diff --git a/packages/prompts/package.json b/packages/prompts/package.json
index e0779fa1..1b94d260 100644
--- a/packages/prompts/package.json
+++ b/packages/prompts/package.json
@@ -47,6 +47,9 @@
     "ui"
   ],
   "packageManager": "pnpm@9.14.2",
+  "engines": {
+    "node": ">= 20.12.0"
+  },
   "scripts": {
     "build": "unbuild",
     "prepack": "pnpm build",