diff --git a/requirements-dev.txt b/requirements-dev.txt
index 35cfc87..21e346f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,8 @@
 click==7.1.2
 pytest==7.4.2
 pytest-cov==4.1.0
-flake8
-safety
-pip-audit
-selenium
+flake8==6.1.0
+safety==1.10.3
+pip-audit==2.6.1
+selenium==4.14.0
+responses==0.23.3
diff --git a/tests/conftest.py b/tests/conftest.py
index db3df8e..d643886 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,6 +1,7 @@
 import os
 
 import pytest
+import responses
 from selenium import webdriver
 from selenium.webdriver.chrome.options import Options
 
@@ -35,6 +36,12 @@ def db(app):
         sqlalchemy_db.drop_all()
 
 
+@pytest.fixture()
+def mocker():
+    with responses.RequestsMock() as rsps:
+        yield rsps
+
+
 @pytest.fixture()
 def driver():
     options = Options()
diff --git a/tests/unit/test_hello.py b/tests/unit/test_hello.py
index 7d262e5..f1069e6 100644
--- a/tests/unit/test_hello.py
+++ b/tests/unit/test_hello.py
@@ -36,6 +36,22 @@ def test_db_rollback(db):
     assert User.query.filter_by(name='test').first() is None
 
 
+def test_mocking(mocker):
+    """
+    Test that api mocking works
+    """
+    import requests
+    mocker.get(
+        "http://xyz.com/api/1/foobar",
+        body="{}",
+        status=200,
+        content_type="application/json",
+    )
+    resp = requests.get("http://xyz.com/api/1/foobar")
+    assert resp.status_code == 200
+    assert resp.json() == {}
+
+
 def test_multiple_fixtures(app, client, db):
     """
     Test that multiple fixtures work