diff --git a/charts/model-engine/templates/service_account.yaml b/charts/model-engine/templates/service_account.yaml
index c226505f..63ca6d27 100644
--- a/charts/model-engine/templates/service_account.yaml
+++ b/charts/model-engine/templates/service_account.yaml
@@ -16,6 +16,11 @@ metadata:
     {{- if $.Values.azure }}
     azure.workload.identity/client-id: {{ $.Values.azure.client_id }}
     {{- end }}
+    {{- if $.Values.gcp }}
+    {{- if $.Values.gcp.iam_service_account }}
+    iam.gke.io/gcp-service-account: {{ $.Values.gcp.iam_service_account }}
+    {{- end }}
+    {{- end }}
   {{- end }}
 {{- if $.Values.azure }}
 imagePullSecrets:
diff --git a/charts/model-engine/templates/service_account_inference.yaml b/charts/model-engine/templates/service_account_inference.yaml
index 712f9df5..4907a05d 100644
--- a/charts/model-engine/templates/service_account_inference.yaml
+++ b/charts/model-engine/templates/service_account_inference.yaml
@@ -20,6 +20,13 @@ metadata:
     azure.workload.identity/client-id: {{ $.Values.azure.client_id }}
     {{- end }}
     {{- end }}
+    {{- if $.Values.gcp }}
+    {{- if $.Values.gcp.inference_service_account }}
+    iam.gke.io/gcp-service-account: {{ $.Values.gcp.inference_service_account }}
+    {{- else if $.Values.gcp.iam_service_account }}
+    iam.gke.io/gcp-service-account: {{ $.Values.gcp.iam_service_account }}
+    {{- end }}
+    {{- end }}
   {{- end }}
 {{- if $.Values.azure }}
 imagePullSecrets: