diff --git a/Core/Encoder/Argon2iPasswordEncoder.php b/Core/Encoder/Argon2iPasswordEncoder.php
index df6d40ce5..67451322a 100644
--- a/Core/Encoder/Argon2iPasswordEncoder.php
+++ b/Core/Encoder/Argon2iPasswordEncoder.php
@@ -47,7 +47,7 @@ public static function isSupported()
             return true;
         }
 
-        return \function_exists('sodium_crypto_pwhash_str') || \extension_loaded('libsodium');
+        return version_compare(\extension_loaded('sodium') ? \SODIUM_LIBRARY_VERSION : phpversion('libsodium'), '1.0.9', '>=');
     }
 
     /**