diff --git a/backend/src/main/resources/db/migration/V36__add_index_transcription_blocks_document_id.sql b/backend/src/main/resources/db/migration/V36__add_index_transcription_blocks_document_id.sql
new file mode 100644
index 00000000..af8e395a
--- /dev/null
+++ b/backend/src/main/resources/db/migration/V36__add_index_transcription_blocks_document_id.sql
@@ -0,0 +1 @@
+CREATE INDEX idx_transcription_blocks_document_id ON transcription_blocks(document_id);
diff --git a/backend/src/main/resources/db/migration/V36__add_needs_expert_to_documents.sql b/backend/src/main/resources/db/migration/V37__add_needs_expert_to_documents.sql
similarity index 100%
rename from backend/src/main/resources/db/migration/V36__add_needs_expert_to_documents.sql
rename to backend/src/main/resources/db/migration/V37__add_needs_expert_to_documents.sql