diff --git a/workflow/dnet/spark_configurator.py b/workflow/dnet/spark_configurator.py
index 04fbd89..b007a65 100644
--- a/workflow/dnet/spark_configurator.py
+++ b/workflow/dnet/spark_configurator.py
@@ -78,6 +78,9 @@ class SparkConfigurator:
                 "restartPolicy": {
                     "type": "Never"
                 },
+                "dynamicAllocation": {
+                    "enables": True
+                },
                 "driver": {
                     "javaOptions": "-Dcom.amazonaws.sdk.disableCertChecking=true -Dcom.cloudera.com.amazonaws.sdk.disableCertChecking=true",
                     "cores": self.sparkResoruceConf['driver_cores'],