diff --git a/packages/interop/package.json b/packages/interop/package.json
index adf30ad..36ee9b2 100644
--- a/packages/interop/package.json
+++ b/packages/interop/package.json
@@ -56,7 +56,7 @@
   "devDependencies": {
     "@chainsafe/libp2p-noise": "^14.1.0",
     "@chainsafe/libp2p-yamux": "^6.0.1",
-    "@helia/interface": "^3.0.0",
+    "@helia/interface": "^4.0.0",
     "@helia/strings": "^2.0.0",
     "@libp2p/identify": "^1.0.9",
     "@libp2p/tcp": "^9.0.10",
diff --git a/packages/strings/package.json b/packages/strings/package.json
index 0cdd5f7..42fb76c 100644
--- a/packages/strings/package.json
+++ b/packages/strings/package.json
@@ -141,7 +141,7 @@
     "release": "aegir release"
   },
   "dependencies": {
-    "@helia/interface": "^3.0.0",
+    "@helia/interface": "^4.0.0",
     "@libp2p/interfaces": "^3.3.1",
     "multiformats": "^13.0.0",
     "progress-events": "^1.0.0",