diff --git a/dockstore-integration-testing/src/test/java/io/dockstore/common/Hoverfly.java b/dockstore-integration-testing/src/test/java/io/dockstore/common/Hoverfly.java
index b93c38606e..9c1683dc61 100644
--- a/dockstore-integration-testing/src/test/java/io/dockstore/common/Hoverfly.java
+++ b/dockstore-integration-testing/src/test/java/io/dockstore/common/Hoverfly.java
@@ -193,7 +193,7 @@ public final class Hoverfly {
 
     public static final String ZENODO_SIMULATION_URL = "https://sandbox.zenodo.org";
     public static final SimulationSource ZENODO_SIMULATION_SOURCE = dsl(service(ZENODO_SIMULATION_URL)
-            .andDelay(200, TimeUnit.MILLISECONDS).forAll() // I don't know why, but need a short delay for random integers to be generated and not be repeated
+            .andDelay(500, TimeUnit.MILLISECONDS).forAll() // I don't know why, but need a short delay for random integers to be generated and not be repeated
             .post("/oauth/token").anyBody().willReturn(success(GSON.toJson(getFakeTokenResponse("")), MediaType.APPLICATION_JSON))
             // createDeposit
             .post("/api/deposit/depositions").anyBody().anyQueryParams().willReturn(success(fixture("fixtures/createDepositResponse.json"), MediaType.APPLICATION_JSON))
diff --git a/dockstore-integration-testing/src/test/resources/fixtures/getDepositResponse.json b/dockstore-integration-testing/src/test/resources/fixtures/getDepositResponse.json
index bbf01e7eb1..5e3af612ff 100644
--- a/dockstore-integration-testing/src/test/resources/fixtures/getDepositResponse.json
+++ b/dockstore-integration-testing/src/test/resources/fixtures/getDepositResponse.json
@@ -1,5 +1,6 @@
 {
   "conceptrecid": 51309,
+  "conceptdoi": "10.5072/zenodo.{{ randomIntegerRange 10000 99999 }}",
   "created": "2024-05-02T15:13:00.593467+00:00",
   "files": [
     {
diff --git a/dockstore-integration-testing/src/test/resources/fixtures/newDepositVersionResponse.json b/dockstore-integration-testing/src/test/resources/fixtures/newDepositVersionResponse.json
index 22d21fd62c..5a2a189e10 100644
--- a/dockstore-integration-testing/src/test/resources/fixtures/newDepositVersionResponse.json
+++ b/dockstore-integration-testing/src/test/resources/fixtures/newDepositVersionResponse.json
@@ -1,5 +1,6 @@
 {
   "conceptrecid": 51309,
+  "conceptdoi": "10.5072/zenodo.{{ randomIntegerRange 10000 99999 }}",
   "created": "2024-05-02T15:13:00.593467+00:00",
   "files": [
     {
diff --git a/dockstore-integration-testing/src/test/resources/fixtures/publishDepositResponse.json b/dockstore-integration-testing/src/test/resources/fixtures/publishDepositResponse.json
index 33b2cab2c1..f4908e26c7 100644
--- a/dockstore-integration-testing/src/test/resources/fixtures/publishDepositResponse.json
+++ b/dockstore-integration-testing/src/test/resources/fixtures/publishDepositResponse.json
@@ -1,5 +1,6 @@
 {
   "conceptrecid": {{ randomIntegerRange 10000 99999 }},
+  "conceptdoi": "10.5072/zenodo.{{ randomIntegerRange 10000 99999 }}",
   "created": "2024-05-02T15:13:00.593467+00:00",
   "files": [
     {