diff --git a/workflow/executor_test.go b/workflow/executor_test.go
index 77658b64..80fae2c4 100644
--- a/workflow/executor_test.go
+++ b/workflow/executor_test.go
@@ -115,6 +115,7 @@ func TestSharedInput(t *testing.T) {
 }
 
 var missingInputWorkflowDefinition1 = `
+version: v0.1.0
 input:
   root: RootObject
   objects:
@@ -132,6 +133,7 @@ outputs:
 `
 
 var missingInputWorkflowDefinition2 = `
+version: v0.1.0
 input:
   root: RootObject
   objects:
@@ -157,6 +159,7 @@ func TestMissingInput(t *testing.T) {
 }
 
 var mismatchedStepInputTypesWorkflowDefinition = `
+version: v0.1.0
 input:
   root: RootObject
   objects:
@@ -186,6 +189,7 @@ func TestMismatchedStepInputTypes(t *testing.T) {
 }
 
 var mismatchedInputTypesWorkflowDefinition = `
+version: v0.1.0
 input:
   root: RootObject
   objects:
diff --git a/workflow/workflow_test.go b/workflow/workflow_test.go
index 1b6b7acf..43ba7467 100644
--- a/workflow/workflow_test.go
+++ b/workflow/workflow_test.go
@@ -90,6 +90,7 @@ func TestStepCancellation(t *testing.T) {
 }
 
 var earlyStepCancellationWorkflowDefinition = `
+version: v0.1.0
 input:
   root: RootObject
   objects:
@@ -155,6 +156,7 @@ func TestEarlyStepCancellation(t *testing.T) {
 }
 
 var deploymentStepCancellationWorkflowDefinition = `
+version: v0.1.0
 input:
   root: RootObject
   objects:
@@ -216,6 +218,7 @@ func TestDeploymentStepCancellation(t *testing.T) {
 }
 
 var simpleValidLiteralInputWaitWorkflowDefinition = `
+version: v0.1.0
 input:
   root: RootObject
   objects:
@@ -399,6 +402,7 @@ func TestWaitForParallel(t *testing.T) {
 }
 
 var missingInputsFailedDeploymentWorkflowDefinition = `
+version: v0.1.0
 input:
   root: RootObject
   objects:
@@ -437,6 +441,7 @@ func TestMissingInputsFailedDeployment(t *testing.T) {
 }
 
 var missingInputsWrongOutputWorkflowDefinition = `
+version: v0.1.0
 input:
   root: RootObject
   objects: