1 files changed, 1 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index 0f9da92..2d1b0fa 100755
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@ packages = [
 
 install = [
     'odfpy',
-    'openpyxl',
+    'openpyxl>=2.4.0',
     'unicodecsv',
     'xlrd',
     'xlwt',