diff --git a/wnfs-wasm/package.json b/wnfs-wasm/package.json
index d81ea4b6..ef18ec1f 100644
--- a/wnfs-wasm/package.json
+++ b/wnfs-wasm/package.json
@@ -133,7 +133,7 @@
     "text-encoding": "^0.7.0",
     "ts-loader": "^9.4.4",
     "typescript": "^5.1.6",
-    "uint8arrays": "^4.0.4",
+    "uint8arrays": "^5.0.0",
     "webpack": "^5.88.2",
     "webpack-cli": "^5.1.4",
     "webpack-dev-server": "^4.15.1",
diff --git a/wnfs-wasm/yarn.lock b/wnfs-wasm/yarn.lock
index 0c22dade..943e5b16 100644
--- a/wnfs-wasm/yarn.lock
+++ b/wnfs-wasm/yarn.lock
@@ -2009,11 +2009,6 @@ multicast-dns@^7.2.5:
     dns-packet "^5.2.2"
     thunky "^1.0.2"
 
-multiformats@^11.0.0:
-  version "11.0.2"
-  resolved "https://registry.yarnpkg.com/multiformats/-/multiformats-11.0.2.tgz#b14735efc42cd8581e73895e66bebb9752151b60"
-  integrity sha512-b5mYMkOkARIuVZCpvijFj9a6m5wMVLC7cf/jIPd5D/ARDOfLC5+IFkbgDXQgcU2goIsTD/O9NY4DI/Mt4OGvlg==
-
 multiformats@^12.0.1:
   version "12.1.3"
   resolved "https://registry.yarnpkg.com/multiformats/-/multiformats-12.1.3.tgz#cbf7a9861e11e74f8228b21376088cb43ba8754e"
@@ -3023,12 +3018,12 @@ typescript@^5.1.6:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.2.2.tgz#5ebb5e5a5b75f085f22bc3f8460fba308310fa78"
   integrity sha512-mI4WrpHsbCIcwT9cF4FZvr80QUeKvsUsUvKDoR+X/7XHQH98xYD8YHZg7ANtz2GtZt/CBq2QJ0thkGJMHfqc1w==
 
-uint8arrays@^4.0.4:
-  version "4.0.4"
-  resolved "https://registry.yarnpkg.com/uint8arrays/-/uint8arrays-4.0.4.tgz#3254e01aeb166a3f35e66e60e4e37002f4ea13fd"
-  integrity sha512-AOoA66e/A7zoXm1mgzQjGmkWDTvCrS3ttWXLHFtlVAwMobLcaOA7G7WRNNAcyfjjYdFDtkEK6njRDX7hZLIO9Q==
+uint8arrays@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/uint8arrays/-/uint8arrays-5.0.0.tgz#97d06e1c6246090de6663b796480096e51c8c891"
+  integrity sha512-RWO7gR4x6syxnKDfZO8mDCsaaYs1/BqZCxlHgrcRge50E9GTnLmtoA4kwFSGIL4s3dQkryeTkvtG6oEFEya3yg==
   dependencies:
-    multiformats "^11.0.0"
+    multiformats "^12.0.1"
 
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"