diff --git a/.gitignore b/.gitignore
index 7f85a87..c51fabc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,6 @@ test_database/3DHistech
 test_database/XiaLab
 test_database/dicom_files
 test_database/dicom_leica
+dpyproject.toml
+mask_ihc.ipynb
+pyproject.toml
diff --git a/setup.py b/setup.py
index d3343b3..38dd6b8 100644
--- a/setup.py
+++ b/setup.py
@@ -41,6 +41,7 @@
         "torch",
         "wsidicom==0.20.4",
         "wsidicomizer==0.14.1",
+        "pydicom==2.4.4",
     ],
     scripts=[
         "pathopatch/wsi_extraction.py",