diff --git a/consumer/spec/bar_spec.rb b/consumer/spec/bar_spec.rb
index 8112f6b..c6e8608 100644
--- a/consumer/spec/bar_spec.rb
+++ b/consumer/spec/bar_spec.rb
@@ -15,7 +15,9 @@
       headers: { 'Content-Type' => 'application/json' },
       body: {
         company: Pact.like("My big company"),
-        factories: Pact.each_like(location: "Sydney", capacity: 5)
+        factories: Pact.each_like(location: "Sydney", capacity: 5),
+        received_at: Pact.term(generate: "2017-10-23T11:50:12Z", matcher: /^\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d([+-][0-2]\d:[0-5]\d|Z)$/),
+        received_at_matcher: Pact.like_datetime("2017-10-23T11:50:12Z")
       }
     })
 
diff --git a/consumer/spec/pacts/foo-bar.json b/consumer/spec/pacts/foo-bar.json
index ec7f9a5..fe7e8a9 100644
--- a/consumer/spec/pacts/foo-bar.json
+++ b/consumer/spec/pacts/foo-bar.json
@@ -27,7 +27,9 @@
               "location": "Sydney",
               "capacity": 5
             }
-          ]
+          ],
+          "received_at": "2017-10-23T11:50:12Z",
+          "received_at_matcher": "2017-10-23T11:50:12Z"
         },
         "matchingRules": {
           "$.body.company": {
@@ -38,6 +40,14 @@
           },
           "$.body.factories[*].*": {
             "match": "type"
+          },
+          "$.body.received_at": {
+            "match": "regex",
+            "regex": "^\\d{4}-[01]\\d-[0-3]\\dT[0-2]\\d:[0-5]\\d:[0-5]\\d([+-][0-2]\\d:[0-5]\\d|Z)$"
+          },
+          "$.body.received_at_matcher": {
+            "match": "regex",
+            "regex": "^\\d{4}-[01]\\d-[0-3]\\dT[0-2]\\d:[0-5]\\d:[0-5]\\d([+-][0-2]\\d:[0-5]\\d|Z)$"
           }
         }
       }
diff --git a/provider/bar_app.rb b/provider/bar_app.rb
index 83e2083..1112f42 100644
--- a/provider/bar_app.rb
+++ b/provider/bar_app.rb
@@ -13,8 +13,11 @@ def call env
           "location": "Sydney",
           "geographicCoords": "-0.145,1.4445",
           "capacity": 5,
-        }
-      ]
+        },
+      ],
+      "received_at": "2017-10-25T01:26:00Z",
+      "received_at_matcher": "2017-10-25T01:26:00Z"
+
     }.to_json
     [status, headers, [body]]
   end