diff --git a/src/core/Elsa.Abstractions/Events/WorkflowDefinitionPublished.cs b/src/core/Elsa.Abstractions/Events/WorkflowDefinitionPublished.cs
new file mode 100644
index 000000000..f5a461186
--- /dev/null
+++ b/src/core/Elsa.Abstractions/Events/WorkflowDefinitionPublished.cs
@@ -0,0 +1,15 @@
+using Elsa.Models;
+using MediatR;
+
+namespace Elsa.Events
+{
+    public class WorkflowDefinitionPublished : INotification
+    {
+        public WorkflowDefinitionPublished(WorkflowDefinition workflowDefinition)
+        {
+            WorkflowDefinition = workflowDefinition;
+        }
+
+        public WorkflowDefinition WorkflowDefinition { get; }
+    }
+}
\ No newline at end of file
diff --git a/src/core/Elsa.Core/Services/WorkflowPublisher.cs b/src/core/Elsa.Core/Services/WorkflowPublisher.cs
index 85f1bd195..979cba511 100644
--- a/src/core/Elsa.Core/Services/WorkflowPublisher.cs
+++ b/src/core/Elsa.Core/Services/WorkflowPublisher.cs
@@ -1,7 +1,9 @@
 using System.Threading;
 using System.Threading.Tasks;
+using Elsa.Events;
 using Elsa.Models;
 using Elsa.Persistence;
+using MediatR;
 using WorkflowDefinitionIdSpecification = Elsa.Persistence.Specifications.WorkflowInstances.WorkflowDefinitionIdSpecification;
 
 namespace Elsa.Services
@@ -12,13 +14,15 @@ namespace Elsa.Services
         private readonly IWorkflowInstanceStore _workflowInstanceStore;
         private readonly IIdGenerator _idGenerator;
         private readonly ICloner _cloner;
+        private readonly IMediator _mediator;
 
-        public WorkflowPublisher(IWorkflowDefinitionStore workflowDefinitionStore, IWorkflowInstanceStore workflowInstanceStore, IIdGenerator idGenerator, ICloner cloner)
+        public WorkflowPublisher(IWorkflowDefinitionStore workflowDefinitionStore, IWorkflowInstanceStore workflowInstanceStore, IIdGenerator idGenerator, ICloner cloner, IMediator mediator)
         {
             _workflowDefinitionStore = workflowDefinitionStore;
             _workflowInstanceStore = workflowInstanceStore;
             _idGenerator = idGenerator;
             _cloner = cloner;
+            _mediator = mediator;
         }
 
         public WorkflowDefinition New()
@@ -74,6 +78,7 @@ namespace Elsa.Services
             workflowDefinition = Initialize(workflowDefinition);
 
             await _workflowDefinitionStore.SaveAsync(workflowDefinition, cancellationToken);
+            await _mediator.Publish(new WorkflowDefinitionPublished(workflowDefinition), cancellationToken);
             return workflowDefinition;
         }