set requirements for ansible

requirements.txt

@@ -1,18 +1,18 @@
 ansible==2.2.0.0
-appdirs==1.4.3
-asn1crypto==0.22.0
-cffi==1.10.0
-cryptography==1.8.1
+asn1crypto==0.23.0
+bcrypt==3.1.4
+cffi==1.11.2
+cryptography==2.1.3
 enum34==1.1.6
-idna==2.5
+idna==2.6
 ipaddress==1.0.18
-Jinja2==2.8.1
+Jinja2==2.9.6
 MarkupSafe==1.0
-packaging==16.8
-paramiko==2.1.2
+paramiko==2.3.1
 pkg-resources==0.0.0
-pyasn1==0.2.3
-pycparser==2.17
+pyasn1==0.3.7
+pycparser==2.18
 pycrypto==2.6.1
+PyNaCl==1.2.0
 PyYAML==3.12
-six==1.10.0
+six==1.11.0