diff --git a/requirements.txt b/requirements.txt
index dfd6b74..2db2e98 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,30 +1,30 @@
-argh==0.26.1
-Babel==2.2.0
-cffi==1.5.0
-click==6.2
-cryptography==1.2.1
-enum34==1.1.2
+argh==0.26.2
+Babel==2.4.0
+cffi==1.10.0
+click==6.7
+cryptography==1.8.1
+enum34==1.1.6
 ExifRead==2.1.2
-Flask==0.10.1
-idna==2.0
+Flask==0.12.1
+idna==2.5
 inifile==0.3
-ipaddress==1.0.16
+ipaddress==1.0.18
 itsdangerous==0.24
-Jinja2==2.8
+Jinja2==2.9.6
 Lektor==2.3
-MarkupSafe==0.23
-mistune==0.7.1
-ndg-httpsclient==0.4.0
+MarkupSafe==1.0
+mistune==0.7.4
+ndg-httpsclient==0.4.2
 pathtools==0.1.2
 pipsi==0.9
-pyasn1==0.1.9
-pycparser==2.14
-pyOpenSSL==0.15.1
-pytz==2015.7
-PyYAML==3.11
-requests==2.9.1
+pyasn1==0.2.3
+pycparser==2.17
+pyOpenSSL==16.2.0
+pytz==2017.2
+PyYAML==3.12
+requests==2.13.0
 six==1.10.0
-virtualenv==14.0.6
+virtualenv==15.1.0
 watchdog==0.8.3
-Werkzeug==0.11.3
-wheel==0.24.0
+Werkzeug==0.12.1
+wheel==0.29.0