diff --git a/backend/requirements.txt b/backend/requirements.txt
index 5992895a18..c9edd15079 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -64,6 +64,7 @@ pymdown-extensions==10.14.2
 docx2txt==0.8
 python-pptx==1.0.2
 unstructured==0.18.18
+msoffcrypto-tool==5.4.2
 nltk==3.9.1
 Markdown==3.9
 pypandoc==1.15
diff --git a/pyproject.toml b/pyproject.toml
index 77bc7546df..5ce2ed59d3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -74,6 +74,7 @@ dependencies = [
     "docx2txt==0.8",
     "python-pptx==1.0.2",
     "unstructured==0.18.18",
+    "msoffcrypto-tool==5.4.2",
     "nltk==3.9.1",
     "Markdown==3.9",
     "pypandoc==1.15",