diff --git a/app/requirements.txt b/app/requirements.txt
index 44d0764..44bcd7a 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -33,3 +33,7 @@ pdfminer.six==20231228
 "weasyprint>=62.3",
 "celery>=5.4.0",
 "redis>=5.0.1"
+
+"openpyxl>=3.1.0",
+"xlrd>=2.0.1",
+"odfpy>=1.4.1"