diff --git a/package.json b/package.json
index 020cb5a1..2f9a3b97 100644
--- a/package.json
+++ b/package.json
@@ -122,6 +122,11 @@
         "peerDependencies": {
           "postcss": "*"
         }
+      },
+      "acorn-walk": {
+        "peerDependencies": {
+          "acorn": "*"
+        }
       }
     }
   }