diff --git a/requirements.txt b/requirements.txt
index e8a6c33b..b2ae2d45 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,11 +1,11 @@
-certifi==2017.11.5
+certifi==2018.11.29
+flask-babel==0.12.2
 flask==1.0.2
-flask-babel==0.11.2
-lxml==4.2.3
-idna==2.7
+idna==2.8
 jinja2==2.10
+lxml==4.3.0
 pygments==2.1.3
-pyopenssl==18.0.0
-python-dateutil==2.7.3
+pyopenssl==19.0.0
+python-dateutil==2.7.5
 pyyaml==4.2b1
-requests[socks]==2.19.1
+requests[socks]==2.21.0