diff --git a/charts/workflow/templates/objectstorage-secret.yaml b/charts/workflow/templates/objectstorage-secret.yaml
index ddaa86a78..44b04a8d0 100644
--- a/charts/workflow/templates/objectstorage-secret.yaml
+++ b/charts/workflow/templates/objectstorage-secret.yaml
@@ -20,6 +20,7 @@ data: {{ if eq .Values.global.storage "gcs"}}
   accesskey: {{ .Values.s3.accesskey | b64enc }}
   secretkey: {{ .Values.s3.secretkey | b64enc }}
   region: {{ .Values.s3.region | b64enc }}
+  endpoint: {{ .Values.s3.endpoint | b64enc }}
   builder-bucket: {{ .Values.s3.builder_bucket | b64enc }}
   registry-bucket: {{.Values.s3.registry_bucket | b64enc }}
   database-bucket: {{.Values.s3.database_bucket | b64enc }}{{ else if eq .Values.global.storage "swift"}}
diff --git a/charts/workflow/values.yaml b/charts/workflow/values.yaml
index 2bb44afb8..53cd26477 100644
--- a/charts/workflow/values.yaml
+++ b/charts/workflow/values.yaml
@@ -83,6 +83,8 @@ s3:
   secretkey: ""
   # Any S3 region
   region: "us-west-1"
+  # The S3 endpoint. Only needs to be set if you're not using AWS S3, leave it empty otherwise.
+  endpoint: ""
   # Your buckets.
   registry_bucket: "your-registry-bucket-name"
   database_bucket: "your-database-bucket-name"