diff --git a/composer.json b/composer.json
index e9937d5..cae0513 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
     "require": {
         "php": "^8.1",
         "ext-json": "*",
-        "paragonie/constant_time_encoding": "^2",
+        "paragonie/constant_time_encoding": "^2|^3",
         "paragonie/hidden-string": "^1|^2",
         "paragonie/sodium_compat": "^1|^2"
     },