diff --git a/server/Tingle.Dependabot/Models/DependabotUpdateJobDefinition.cs b/server/Tingle.Dependabot/Models/DependabotUpdateJobDefinition.cs
index ddd7ca5b..7374ec23 100644
--- a/server/Tingle.Dependabot/Models/DependabotUpdateJobDefinition.cs
+++ b/server/Tingle.Dependabot/Models/DependabotUpdateJobDefinition.cs
@@ -4,15 +4,6 @@
 
 namespace Tingle.Dependabot.Models;
 
-public sealed class DependabotUpdateJobDefinition
-{
-    [JsonPropertyName("job")]
-    public required JsonObject? Job { get; set; }
-
-    [JsonPropertyName("credentials")]
-    public required JsonArray Credentials { get; set; }
-}
-
 public sealed class CreatePullRequestModel
 {
     [Required]
diff --git a/server/Tingle.Dependabot/Workflow/UpdateRunner.cs b/server/Tingle.Dependabot/Workflow/UpdateRunner.cs
index d39f49b7..c4c642ba 100644
--- a/server/Tingle.Dependabot/Workflow/UpdateRunner.cs
+++ b/server/Tingle.Dependabot/Workflow/UpdateRunner.cs
@@ -285,9 +285,9 @@ internal async Task<string> WriteJobDefinitionAsync(RepositoryUpdate update,
         var url = options.ProjectUrl!.Value;
         var credentialsMetadata = MakeCredentialsMetadata(credentials);
 
-        var definition = new DependabotUpdateJobDefinition
+        var definition = new JsonObject
         {
-            Job = new JsonObject
+            ["job"] = new JsonObject
             {
                 ["allowed-updates"] = ToJsonNode(update.Allow ?? new()),
                 ["credentials-metadata"] = ToJsonNode(credentialsMetadata).AsArray(),
@@ -320,7 +320,7 @@ internal async Task<string> WriteJobDefinitionAsync(RepositoryUpdate update,
                 ["security-updates-only"] = update.OpenPullRequestsLimit == 0,
                 ["debug"] = false,
             },
-            Credentials = ToJsonNode(credentials).AsArray(),
+            ["credentials"] = ToJsonNode(credentials).AsArray(),
         };
 
         // write the job definition file