diff --git a/examples/resources/octopusdeploy_lifecycle/resource.tf b/examples/resources/octopusdeploy_lifecycle/resource.tf
index ec567f8ff..0f751ccde 100644
--- a/examples/resources/octopusdeploy_lifecycle/resource.tf
+++ b/examples/resources/octopusdeploy_lifecycle/resource.tf
@@ -36,4 +36,11 @@ resource "octopusdeploy_lifecycle" "example" {
     name                        = "bar"
     optional_deployment_targets = ["Environments-321"]
   }
+
+  phase {
+    is_optional_phase           = true
+    name                        = "priority phase"
+    is_priority_phase           = true
+    optional_deployment_targets = ["Environments-321"]
+  }
 }
diff --git a/octopusdeploy/schema_phase.go b/octopusdeploy/schema_phase.go
index 9c44f9130..7e268a427 100644
--- a/octopusdeploy/schema_phase.go
+++ b/octopusdeploy/schema_phase.go
@@ -30,6 +30,10 @@ func expandPhase(flattenedPhase interface{}) *lifecycles.Phase {
 		phase.IsOptionalPhase = v.(bool)
 	}
 
+	if v, ok := flattenedValues["is_priority_phase"]; ok {
+		phase.IsPriorityPhase = v.(bool)
+	}
+
 	if v, ok := flattenedValues["minimum_environments_before_promotion"]; ok {
 		if n, isInt32 := v.(int32); isInt32 {
 			phase.MinimumEnvironmentsBeforePromotion = n
@@ -91,6 +95,7 @@ func flattenPhase(phase *lifecycles.Phase) interface{} {
 	flattenedPhase["automatic_deployment_targets"] = flattenArray(phase.AutomaticDeploymentTargets)
 	flattenedPhase["id"] = phase.ID
 	flattenedPhase["is_optional_phase"] = phase.IsOptionalPhase
+	flattenedPhase["is_priority_phase"] = phase.IsPriorityPhase
 	flattenedPhase["minimum_environments_before_promotion"] = int(phase.MinimumEnvironmentsBeforePromotion)
 	flattenedPhase["name"] = phase.Name
 	flattenedPhase["optional_deployment_targets"] = flattenArray(phase.OptionalDeploymentTargets)
@@ -127,6 +132,12 @@ func getPhaseSchema() map[string]*schema.Schema {
 			Optional:    true,
 			Type:        schema.TypeBool,
 		},
+		"is_priority_phase": {
+			Default:     false,
+			Description: "If true, deployments in this phase will be prioritized in the task queue.",
+			Optional:    true,
+			Type:        schema.TypeBool,
+		},
 		"minimum_environments_before_promotion": {
 			Default:     0,
 			Description: "The number of units required before a release can enter the next phase. If 0, all environments are required.",