diff --git a/setup.cfg b/setup.cfg
index 7c96d66e..7ca9b19b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -51,7 +51,7 @@ install_requires =
     img2pdf>=0.3.0,<0.5  # pure Python
     pdfminer.six!=20200720,>=20191110,<=20201018
     pikepdf>=2.10.0
-    pluggy>=0.13.0,<1.0
+    pluggy>=0.13.0,<2
     reportlab>=3.5.66
     setuptools
     tqdm>=4