diff --git a/common/src/main/java/com/netflix/conductor/common/metadata/workflow/IdempotencyStrategy.java b/common/src/main/java/com/netflix/conductor/common/metadata/workflow/IdempotencyStrategy.java
index 4b9ebd60b..a1dc436ac 100644
--- a/common/src/main/java/com/netflix/conductor/common/metadata/workflow/IdempotencyStrategy.java
+++ b/common/src/main/java/com/netflix/conductor/common/metadata/workflow/IdempotencyStrategy.java
@@ -14,5 +14,6 @@
 
 public enum IdempotencyStrategy {
     FAIL,
-    RETURN_EXISTING
+    RETURN_EXISTING,
+    FAIL_ON_RUNNING
 }