diff --git a/_sources/cardano-data/1.2.3.1/meta.toml b/_sources/cardano-data/1.2.3.1/meta.toml
new file mode 100644
index 000000000..26ac98c5b
--- /dev/null
+++ b/_sources/cardano-data/1.2.3.1/meta.toml
@@ -0,0 +1,3 @@
+timestamp = 2024-10-09T12:17:31Z
+github = { repo = "input-output-hk/cardano-ledger", rev = "5590102d91d92d35bd61498301b163d0a05aee8d" }
+subdir = 'libs/cardano-data'