diff --git a/rfd-model/migrations/2024-11-25-175556_fix-revision-idx/down.sql b/rfd-model/migrations/2024-11-25-175556_fix-revision-idx/down.sql
new file mode 100644
index 0000000..70084a5
--- /dev/null
+++ b/rfd-model/migrations/2024-11-25-175556_fix-revision-idx/down.sql
@@ -0,0 +1,2 @@
+DROP INDEX rfd_revision_commit_sha_idx;
+CREATE UNIQUE INDEX rfd_revision_commit_sha_idx ON rfd_revision (rfd_id, commit_sha);
diff --git a/rfd-model/migrations/2024-11-25-175556_fix-revision-idx/up.sql b/rfd-model/migrations/2024-11-25-175556_fix-revision-idx/up.sql
new file mode 100644
index 0000000..8e33afb
--- /dev/null
+++ b/rfd-model/migrations/2024-11-25-175556_fix-revision-idx/up.sql
@@ -0,0 +1,2 @@
+DROP INDEX rfd_revision_commit_sha_idx;
+CREATE UNIQUE INDEX rfd_revision_commit_sha_idx ON rfd_revision (rfd_id, commit_sha) WHERE deleted_at IS NULL;