diff --git a/requirements.txt b/requirements.txt
index 6003e4d..5f54cfc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,18 +1,18 @@
-ansible==2.3.2.0
-asn1crypto==0.22.0
-bcrypt==3.1.3
-cffi==1.10.0
-cryptography==2.0.3
+ansible==2.6.3
+asn1crypto==0.24.0
+bcrypt==3.1.4
+cffi==1.11.5
+cryptography==2.3.1
 enum34==1.1.6
-idna==2.6
-ipaddress==1.0.18
-Jinja2==2.9.6
+idna==2.7
+ipaddress==1.0.22
+Jinja2==2.10
 jmespath==0.9.3
 MarkupSafe==1.0
-paramiko==2.2.1
-pyasn1==0.3.3
+paramiko==2.4.1
+pyasn1==0.4.4
 pycparser==2.18
 pycrypto==2.6.1
-PyNaCl==1.1.2
-PyYAML==3.12
-six==1.10.0
+PyNaCl==1.2.1
+PyYAML==3.13
+six==1.11.0