diff --git a/flytekit/plugins/__init__.py b/flytekit/plugins/__init__.py
index ca5d210c1b..361346f960 100644
--- a/flytekit/plugins/__init__.py
+++ b/flytekit/plugins/__init__.py
@@ -5,7 +5,7 @@
     "spark",
     ["pyspark>=2.4.0,<3.0.0"],
     [
-        "pyspark"
+        "pyspark",
     ]
 )
 
@@ -15,6 +15,7 @@
     [
         "k8s.io.api.core.v1.generated_pb2",
         "k8s.io.apimachinery.pkg.api.resource.generated_pb2",
+        "flyteidl.plugins.sidecar_pb2",
     ]
 )