diff --git a/requirements.txt b/requirements.txt
index 16dd9d7..bd8bdbf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,13 +1,13 @@
 beautifulsoup4==4.5.3
-certifi==2017.1.23
+certifi==2017.4.17
 click==6.7
 Flask==0.12.1
 future==0.16.0
 itsdangerous==0.24
-Jinja2==2.9.5
+Jinja2==2.9.6
 MarkupSafe==1.0
-python-telegram-bot==5.3.0
+python-telegram-bot==5.3.1
 PyYAML==3.12
 requests==2.13.0
-urllib3==1.20
+urllib3==1.21
 Werkzeug==0.12.1