diff --git a/packages/core/package.json b/packages/core/package.json
index 8767263..10e331d 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -24,7 +24,7 @@
   "types": "lib/index.d.ts",
   "author": "Tony Garnock-Jones <tonyg@leastfixedpoint.com>",
   "dependencies": {
-    "@preserves/core": "0.18.0",
-    "@preserves/schema": "0.19.0"
+    "@preserves/core": "0.18.1",
+    "@preserves/schema": "0.19.1"
   }
 }