diff --git a/contrib/release.sh b/contrib/release.sh
index f9051d4..9619447 100755
--- a/contrib/release.sh
+++ b/contrib/release.sh
@@ -374,7 +374,7 @@ Downloads:
   http://github.com/OfflineIMAP/offlineimap/archive/${1}.zip
 
 Pip:
-  pip install --user git+https://github.com/OfflineIMAP/offlineimap.git@${1}
+  pip install -r requirements.txt --user git+https://github.com/OfflineIMAP/offlineimap.git@${1}
 EOF
 }
 
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..59d0152
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,2 @@
+# Requirements
+six