diff --git a/docs/fixture.rst b/docs/fixture.rst
index a510abf..e7d5420 100644
--- a/docs/fixture.rst
+++ b/docs/fixture.rst
@@ -4,8 +4,12 @@ Fixtures
 
 `Fixtures`_ provide a way to create reusable state and helper methods in test cases.
 
-To use the *requests-mock* fixture your tests need to have a dependency on the `fixtures`_ library and the `mock`_ library.
-These are not provided by *requests-mock*.
+To use the *requests-mock* fixture your tests need to have a dependency on the `fixtures`_ library.
+This can be optionally installed when you install *requests-mock* by doing:
+
+.. code:: shell
+
+    pip install requests-mock[fixture]
 
 The fixture mocks the :py:meth:`requests.Session.get_adapter` method so that all requests will be served by the mock adapter.
 
diff --git a/releasenotes/notes/fixture-extras-699a5b5fb5bd6aab.yaml b/releasenotes/notes/fixture-extras-699a5b5fb5bd6aab.yaml
new file mode 100644
index 0000000..33af9dc
--- /dev/null
+++ b/releasenotes/notes/fixture-extras-699a5b5fb5bd6aab.yaml
@@ -0,0 +1,7 @@
+---
+prelude: >
+    Installing the requirements for the 'fixture' contrib package can now be
+    done via pip with `pip install requests-mock[fixture]`
+features:
+    Added 'fixture' to pip extras so you can install the fixture requirements
+    with `pip install requests-mock[fixture]`
diff --git a/setup.cfg b/setup.cfg
index c1f9a27..349021d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -26,3 +26,7 @@ packages = requests_mock
 
 [wheel]
 universal = 1
+
+[extras]
+fixture =
+  fixtures