diff --git a/src/about/tests/test_views.py b/src/about/tests/test_views.py
index 2c4a3043..a10f56bf 100644
--- a/src/about/tests/test_views.py
+++ b/src/about/tests/test_views.py
@@ -7,7 +7,7 @@ def test_json_payload_format(self):
         url = reverse("v1:about:detail")
         expected_json_response = {
             "name": "Safe Config Service",
-            "version": "1.3.0",
+            "version": "1.4.0",
             "apiVersion": "v1",
             "secure": False,
         }
@@ -23,7 +23,7 @@ def test_https_request(self):
         url = reverse("v1:about:detail")
         expected_json_response = {
             "name": "Safe Config Service",
-            "version": "1.3.0",
+            "version": "1.4.0",
             "api_version": "v1",
             "secure": True,
         }
@@ -37,7 +37,7 @@ def test_http_request(self):
         url = reverse("v1:about:detail")
         expected_json_response = {
             "name": "Safe Config Service",
-            "version": "1.3.0",
+            "version": "1.4.0",
             "api_version": "v1",
             "secure": False,
         }
diff --git a/src/version.py b/src/version.py
index 9d5a0a40..b1efb450 100644
--- a/src/version.py
+++ b/src/version.py
@@ -1,2 +1,2 @@
 __name__ = "Safe Config Service"
-__version__ = "1.3.0"
+__version__ = "1.4.0"