diff --git a/src/main/k8s/dev/base_eks.cue b/src/main/k8s/dev/base_eks.cue
index db21fd9bea9..f43cc4eee77 100644
--- a/src/main/k8s/dev/base_eks.cue
+++ b/src/main/k8s/dev/base_eks.cue
@@ -44,6 +44,6 @@ package k8s
 }
 
 #JavaOptions: {
-	initialHeapSize: _ | *"64M"
+	initialHeapSize: _ | *maxHeapSize
 	maxHeapSize:     _ | *"64M"
 }
diff --git a/src/main/k8s/dev/base_gke.cue b/src/main/k8s/dev/base_gke.cue
index 17aa7166910..3a1b08216dd 100644
--- a/src/main/k8s/dev/base_gke.cue
+++ b/src/main/k8s/dev/base_gke.cue
@@ -85,7 +85,7 @@ package k8s
 }
 
 #JavaOptions: {
-	initialHeapSize:   _ | *"64M"
+	initialHeapSize:   _ | *maxHeapSize
 	maxHeapSize:       _ | *"64M"
 	loggingConfigFile: "/etc/java/logging.properties"
 }
diff --git a/src/main/k8s/dev/duchy_eks.cue b/src/main/k8s/dev/duchy_eks.cue
index 495baf4aa92..874ba2b0831 100644
--- a/src/main/k8s/dev/duchy_eks.cue
+++ b/src/main/k8s/dev/duchy_eks.cue
@@ -44,8 +44,9 @@ _duchyCertName: "duchies/\(_duchyName)/certificates/\(_certificateId)"
 		memory: ResourceRequirements.requests.memory
 	}
 }
-#MillMaxHeapSize: "1G"
-#MillReplicas:    1
+#MillMaxHeapSize:        "1G"
+#MillReplicas:           1
+#FulfillmentMaxHeapSize: "96M"
 
 objectSets: [
 	default_deny_ingress_and_egress,
@@ -124,6 +125,9 @@ duchy: #PostgresDuchy & {
 			}
 		}
 		"requisition-fulfillment-server-deployment": {
+			_container: {
+				_javaOptions: maxHeapSize: #FulfillmentMaxHeapSize
+			}
 			spec: template: spec: #ServiceAccountPodSpec & {
 				serviceAccountName: #StorageServiceAccount
 			}
diff --git a/src/main/k8s/dev/duchy_gke.cue b/src/main/k8s/dev/duchy_gke.cue
index 40c031db22d..a7cd43f79c7 100644
--- a/src/main/k8s/dev/duchy_gke.cue
+++ b/src/main/k8s/dev/duchy_gke.cue
@@ -46,6 +46,7 @@ _duchy_cert_name: "duchies/\(_duchy_name)/certificates/\(_certificateId)"
 }
 #MillMaxHeapSize: "1G"
 #MillReplicas:    1
+#FulfillmentMaxHeapSize: "96M"
 
 objectSets: [
 	default_deny_ingress_and_egress,
@@ -123,6 +124,9 @@ duchy: #SpannerDuchy & {
 			}
 		}
 		"requisition-fulfillment-server-deployment": {
+			_container: {
+				_javaOptions: maxHeapSize: #FulfillmentMaxHeapSize
+			}
 			spec: template: spec: #ServiceAccountPodSpec & {
 				serviceAccountName: #StorageServiceAccount
 			}