diff --git a/Dockerfile b/Dockerfile
index 5e7d900..fa42653 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM alpine:latest
 RUN apk add --no-cache python3 py3-pip py3-wheel git py3-lxml py3-gevent py3-zope-interface py3-zope-event
 
 ADD . /app
-RUN pip3 install --no-cache-dir /app[full] gunicorn
+RUN pip3 install --no-cache-dir /app[full]
 
 USER 1000:1000
 
diff --git a/README.md b/README.md
index f1103dc..8a745ab 100644
--- a/README.md
+++ b/README.md
@@ -61,7 +61,8 @@ pip install git+https://git.pictuga.com/pictuga/morss.git#egg=morss[full]
 ```
 
 The full install includes mysql, redis and diskcache (possible cache backends).
-Otherwise, only in-memory and sqlite3 caches are available.
+Otherwise, only in-memory and sqlite3 caches are available. The full install
+also includes gunicorn and gevent (for more efficient HTTP handling).
 
 The dependency `lxml` is fairly long to install (especially on Raspberry Pi, as
 C code needs to be compiled). If possible on your distribution, try installing
@@ -123,7 +124,7 @@ write_files:
 
 runcmd:
   - update-ca-certificates
-  - pip install git+https://git.pictuga.com/pictuga/morss.git#egg=morss[full] gunicorn gevent
+  - pip install git+https://git.pictuga.com/pictuga/morss.git#egg=morss[full]
   - gunicorn --bind 0.0.0.0:${PORT:-8000} --workers 4 --worker-class=gevent --preload --access-logfile - morss
 ```
 
diff --git a/setup.py b/setup.py
index 404955e..9ef5cf2 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ setup(
     license = 'AGPL v3',
     packages = [package_name],
     install_requires = ['lxml', 'bs4', 'python-dateutil', 'chardet'],
-    extras_require = {'full': ['pymysql', 'redis', 'diskcache']},
+    extras_require = {'full': ['pymysql', 'redis', 'diskcache', 'gunicorn', 'gevent']},
     package_data = {package_name: ['feedify.ini']},
     data_files = [
         ('share/' + package_name, ['README.md', 'LICENSE']),