diff --git a/extensions/memory-core/package.json b/extensions/memory-core/package.json
index 3669df92fb1..063921d9c0f 100644
--- a/extensions/memory-core/package.json
+++ b/extensions/memory-core/package.json
@@ -7,6 +7,11 @@
   "peerDependencies": {
     "openclaw": ">=2026.3.2"
   },
+  "peerDependenciesMeta": {
+    "openclaw": {
+      "optional": true
+    }
+  },
   "openclaw": {
     "extensions": [
       "./index.ts"