diff --git a/index.html b/index.html
index a6dd26f..df0f985 100644
--- a/index.html
+++ b/index.html
@@ -49,7 +49,7 @@
         Clique no link abaixo para fazer download do certificado para conexão
         com o WiFi:
       </p>
-      <a class="btn" href="nps.pp.ifms.edu.br.cer" download>
+      <a class="btn" href="nps.pp.ifms.edu.br.pfx" download>
         Clique aqui para baixar o certificado
       </a>
       <p>Domínio: <code> nps.pp.ifms.edu.br </code></p>
diff --git a/nps.pp.ifms.edu.br.cer b/nps.pp.ifms.edu.br.cer
deleted file mode 100644
index 30499df..0000000
--- a/nps.pp.ifms.edu.br.cer
+++ /dev/null
@@ -1,39 +0,0 @@
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
diff --git a/nps.pp.ifms.edu.br.pfx b/nps.pp.ifms.edu.br.pfx
new file mode 100755
index 0000000..5ce8087
Binary files /dev/null and b/nps.pp.ifms.edu.br.pfx differ