diff --git a/HISTORY.rst b/HISTORY.rst
index 280e0a1351..f5628d6141 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -12,6 +12,8 @@
 - Sort the list of a document's cabinets.
 - Display a document's cabinet list in italics. GitLab issue #435.
   Thanks to LeVon Smoker for the request.
+- Install mock by default to allow easier testing of deployed
+  instances.
 
 2.7.1 (2017-09-03)
 ==================
diff --git a/docs/releases/2.7.2.rst b/docs/releases/2.7.2.rst
index 624b696ae0..8629622b33 100644
--- a/docs/releases/2.7.2.rst
+++ b/docs/releases/2.7.2.rst
@@ -19,6 +19,8 @@ What's new
 - Sort the list of a document's cabinets.
 - Display a document's cabinet list in italics. GitLab issue #435.
   Thanks to LeVon Smoker for the request.
+- Install mock by default to allow easier testing of deployed
+  instances.
 
 Removals
 --------
diff --git a/requirements/base.txt b/requirements/base.txt
index 814682396f..e87585a34f 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -29,6 +29,8 @@ fusepy==2.0.4
 
 graphviz==0.8
 
+mock==2.0.0
+
 pycountry==1.20
 PyPDF2==1.26.0
 pyocr==0.4.5
diff --git a/requirements/testing-base.txt b/requirements/testing-base.txt
index 2f51f525de..4d0446b308 100644
--- a/requirements/testing-base.txt
+++ b/requirements/testing-base.txt
@@ -2,6 +2,5 @@ codecov==2.0.9
 coverage==4.4.1
 coveralls==1.1
 django-test-without-migrations==0.6
-mock==2.0.0
 tox==2.7.0
 psutil==5.2.2