diff --git a/substreams/src/pb/mod.rs b/substreams/src/pb/mod.rs
index 5d14a91..d396e97 100644
--- a/substreams/src/pb/mod.rs
+++ b/substreams/src/pb/mod.rs
@@ -1,2 +1,15 @@
+// @generated
+pub mod sf {
+    pub mod substreams {
+        pub mod index {
+            // @@protoc_insertion_point(attribute:sf.substreams.index.v1)
+            pub mod v1 {
+                include!("sf.substreams.index.v1.rs");
+                // @@protoc_insertion_point(sf.substreams.index.v1)
+            }
+        }
+    }
+}
+
 #[path = "./sf.substreams.v1.rs"]
 pub mod substreams;
diff --git a/substreams/src/pb/sf.substreams.index.v1.rs b/substreams/src/pb/sf.substreams.index.v1.rs
new file mode 100644
index 0000000..a954365
--- /dev/null
+++ b/substreams/src/pb/sf.substreams.index.v1.rs
@@ -0,0 +1,8 @@
+// @generated
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Keys {
+    #[prost(string, repeated, tag="1")]
+    pub keys: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+}
+// @@protoc_insertion_point(module)