diff --git a/src/Adapter/EncryptionAdapter.php b/src/Adapter/EncryptionAdapter.php
index f9eddc0..3ef8df6 100644
--- a/src/Adapter/EncryptionAdapter.php
+++ b/src/Adapter/EncryptionAdapter.php
@@ -4,7 +4,7 @@
 
 use Keet\Encrypt\Interfaces\EncryptionInterface;
 use Keet\Encrypt\Result\EncryptionStorage;
-use ParagonIE\CipherSweet\Backend\ModernCrypto;
+use ParagonIE\CipherSweet\Backend\FIPSCrypto;
 use ParagonIE\CipherSweet\BlindIndex;
 use ParagonIE\CipherSweet\CipherSweet;
 use ParagonIE\CipherSweet\EncryptedField;
@@ -54,7 +54,7 @@ public function __construct($key)
         $this->setKey(new EncryptionKey(new HiddenString($key)));
 
         $provider = new StringProvider(
-            new ModernCrypto(),
+            new FIPSCrypto(),
             $this->getKey()->getRawKeyMaterial()
         );