diff --git a/package.json b/package.json
index de52970..8c5fd3d 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "@kdf/salt": "^1.0.1",
     "@phc/format": "^0.5.0",
     "argon2": "^0.19.3",
-    "tsse": "^1.1.4"
+    "tsse": "^2.0.0"
   },
   "devDependencies": {
     "ava": "*",