diff --git a/contrib/bytebot.service b/contrib/bytebot.service
new file mode 100644
index 0000000..1a88148
--- /dev/null
+++ b/contrib/bytebot.service
@@ -0,0 +1,16 @@
+[Unit]
+Description=Bytespeicher IRC botno bytebot.service
+After=network-online.target
+After=syslog.service
+Requires=network-online.target
+Requires=syslog.service
+
+[Service]
+User=bytebot
+Group=bytebot
+Restart=all
+ExecStart=/home/bytebot/Bytebot/env/bin/python /home/bytebot/Bytebot/bytebot.py
+MemoryLimit=256M
+
+[Install]
+WantedBy=multi-user.target
diff --git a/contrib/requirements.txt b/contrib/requirements.txt
index 075a862..7127fea 100644
--- a/contrib/requirements.txt
+++ b/contrib/requirements.txt
@@ -1,8 +1,23 @@
-Twisted
-beautifulsoup4
-feedparser
-pyopenssl
-service_identity
-clarifai
-icalendar
-pillow
+Pillow>=3.0.0
+Twisted>=15.4.0
+argparse>=1.2.1
+beautifulsoup4>=4.4.1
+cffi>=1.3.0
+characteristic>=14.3.0
+clarifai>=0.2
+cryptography>=1.1
+enum34>=1.0.4
+feedparser>=5.2.1
+icalendar>=3.9.1
+idna>=2.0
+ipaddress>=1.0.14
+pyOpenSSL>=0.15.1
+pyasn1>=0.1.9
+pyasn1-modules>=0.0.8
+pycparser>=2.14
+python-dateutil>=2.4.2
+pytz>=2015.7
+service-identity>=14.0.0
+six>=1.10.0
+wsgiref>=0.1.2
+zope.interface>=4.1.3