diff --git a/package-lock.json b/package-lock.json
index a327ac1..e13f7db 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -35,7 +35,7 @@
         "node": ">=18.17.1"
       },
       "peerDependencies": {
-        "@mapeo/core": "9.0.0-alpha.15"
+        "@mapeo/core": "9.0.0-alpha.16"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -656,11 +656,10 @@
       }
     },
     "node_modules/@mapeo/core": {
-      "version": "9.0.0-alpha.15",
-      "resolved": "https://registry.npmjs.org/@mapeo/core/-/core-9.0.0-alpha.15.tgz",
-      "integrity": "sha512-IEcL2nfguGCofNzj4hW3QMTkQ4pDlzsbt51Lnza11PFzLRm2iYUlaMLJLqAqR7bCFrdXcAQzRNMVxFSQqSk4Jg==",
+      "version": "9.0.0-alpha.16",
+      "resolved": "https://registry.npmjs.org/@mapeo/core/-/core-9.0.0-alpha.16.tgz",
+      "integrity": "sha512-DYHsa5BhCFsZvbgq3zCqUiWDmRsdTpKLYKz/5gkwCj2Qaj0aLrng7iNCm5ULtsUa01FY+VI1Z68N/pGhVrP1dw==",
       "hasInstallScript": true,
-      "license": "MIT",
       "peer": true,
       "dependencies": {
         "@digidem/types": "^2.3.0",
diff --git a/package.json b/package.json
index acba788..4eab709 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "rpc-reflector": "^1.3.11"
   },
   "peerDependencies": {
-    "@mapeo/core": "9.0.0-alpha.15"
+    "@mapeo/core": "9.0.0-alpha.16"
   },
   "devDependencies": {
     "@digidem/types": "^2.1.0",