diff --git a/build.nims b/build.nims
index 11eec387..b53d4b5e 100644
--- a/build.nims
+++ b/build.nims
@@ -21,7 +21,11 @@ proc test(name: string, srcDir = "tests/", params = "", lang = "c") =
   buildBinary name, srcDir, params
   exec "build/" & name
 
+task buildStorageProofs, "build codex storage proofs":
+  buildBinary "storage_proofs", srcDir = "codex/utils/", params = "-f "
+
 task codex, "build codex binary":
+  buildStorageProofsTask()
   buildBinary "codex", params = "-d:chronicles_runtime_filtering -d:chronicles_log_level=TRACE"
 
 task testCodex, "Build & run Codex tests":
diff --git a/vendor/codex-storage-proofs b/vendor/codex-storage-proofs
index 7b28dd82..19ed539d 160000
--- a/vendor/codex-storage-proofs
+++ b/vendor/codex-storage-proofs
@@ -1 +1 @@
-Subproject commit 7b28dd8265e2546e656b6198eca0c6fe5fba2c21
+Subproject commit 19ed539d3ec6dfd2bde06131507baf5d8813539f