diff --git a/requirements.txt b/requirements.txt
index 104db9277..70c53d1cb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,13 +1,13 @@
 # Requirements for OpenSlides in production
 -r requirements_production.txt
 
-# Requirements for development and tests
+# Requirements for development and tests in alphabetical order
 Fabric==1.8.0
 coverage==3.7
 flake8==2.0
 mock==1.0.1
 
-# Requirements for OpenSlides handbook/documentation
+# Requirements for OpenSlides handbook/documentation in alphabetical order
 Sphinx==1.2b3
 sphinx-bootstrap-theme==0.2.4
 
diff --git a/requirements_production.txt b/requirements_production.txt
index 515ce7a74..2c6adee5a 100644
--- a/requirements_production.txt
+++ b/requirements_production.txt
@@ -1,10 +1,11 @@
+# Requirements for OpenSlides in production in alphabetical order
 Django==1.6.0
-django-mptt==0.6.0
-reportlab==2.7
-pillow==2.2.1
-tornado==3.1.1
-sockjs-tornado==1.0.0
-bleach==1.2.2
 beautifulsoup4==4.3.2
+bleach==1.2.2
 django-haystack==2.1.0
+django-mptt==0.6.0
+pillow==2.2.1
+reportlab==2.7
+sockjs-tornado==1.0.0
+tornado==3.1.1
 whoosh==2.5.4