diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index 083e54c2ed53a20c429b4eba0dd62d8e7b6ea06e..0c420ac774290518aeb91eb7e2d2e6d7ae5784dd 100644
--- a/hardening_manifest.yaml
+++ b/hardening_manifest.yaml
@@ -37,7 +37,7 @@ labels:
 
 # List of resources to make available to the offline build context
 resources:
-  - url: "gcr.io/spark-operator/spark-py@sha256:f4980fb33077ae6e03329cf6f835ec671c1b99de391ef9494e28ed19cf3de298"
+  - url: "docker://gcr.io/spark-operator/spark-py@sha256:f4980fb33077ae6e03329cf6f835ec671c1b99de391ef9494e28ed19cf3de298"
     tag: "spark-operator/spark-py:2.4.4"
   - filename: pip-21.0.1-py3-none-any.whl
     url: https://files.pythonhosted.org/packages/fe/ef/60d7ba03b5c442309ef42e7d69959f73aacccd0d86008362a681c4698e83/pip-21.0.1-py3-none-any.whl