diff --git a/requirements-nfse.txt b/requirements-nfse.txt
new file mode 100644
index 0000000..43cd5ab
--- /dev/null
+++ b/requirements-nfse.txt
@@ -0,0 +1,3 @@
+# Opcional para NFS-e
+suds-jurko==0.6
+pyxb==1.2.4
diff --git a/requirements.txt b/requirements.txt
index c60a193..3c172d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,5 +4,4 @@ requests==2.9.1
 lxml==3.6.0
 
 # Opcional para NFS-e
-#suds-jurko==0.6
-#pyxb==1.2.4
+#-r requirements-nfse.txt