diff --git a/charts/airflow/templates/_helpers/pods.tpl b/charts/airflow/templates/_helpers/pods.tpl
index 0e5bdd8b..3cacda28 100644
--- a/charts/airflow/templates/_helpers/pods.tpl
+++ b/charts/airflow/templates/_helpers/pods.tpl
@@ -228,6 +228,8 @@ EXAMPLE USAGE: {{ include "airflow.container.git_sync" (dict "Release" .Release
       value: "true"
     - name: GIT_SYNC_MAX_SYNC_FAILURES
       value: {{ .Values.dags.gitSync.maxFailures | quote }}
+    - name: GIT_SYNC_SUBMODULES
+      value: {{ .Values.dags.gitSync.submodules | quote }}
     {{- if .Values.dags.gitSync.sshSecret }}
     - name: GIT_SYNC_SSH
       value: "true"
diff --git a/charts/airflow/values.yaml b/charts/airflow/values.yaml
index 9b7b987d..65ce9370 100644
--- a/charts/airflow/values.yaml
+++ b/charts/airflow/values.yaml
@@ -1360,6 +1360,11 @@ dags:
     ##
     syncTimeout: 120
 
+    ## the git submodule behavior
+    ## - allowed values: "recursive", "shallow", "off"
+    ##
+    submodules: recursive
+
     ## the name of a pre-created Secret with git http credentials
     ##
     httpSecret: ""