diff --git a/environment.yml b/environment.yml
index beb0796..dae5b56 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,7 +4,6 @@ channels:
   - defaults
 dependencies:
   - python=3.7
-  - xlwt=1.3.0=py37_0
   - pip
   - pip:
     - sphinx
diff --git a/tests/test_excel_export_384.xlsx b/tests/test_excel_export_384.xlsx
index d653144..c1f3d03 100644
Binary files a/tests/test_excel_export_384.xlsx and b/tests/test_excel_export_384.xlsx differ
diff --git a/tests/test_excel_export_96.xlsx b/tests/test_excel_export_96.xlsx
index 74accc6..d506e23 100644
Binary files a/tests/test_excel_export_96.xlsx and b/tests/test_excel_export_96.xlsx differ