diff --git a/pyproject.toml b/pyproject.toml
index 24ab6659..dda01034 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,8 +21,8 @@ dependencies = [
   "deprecation>=2.1.0",
   "img2pdf>=0.3.0", # pure Python
   "packaging>=20",
-  "pdfminer.six!=20200720,>=20191110",
-  "pikepdf!=5.0.0,>=4.0.0",
+  "pdfminer.six>=20201018",
+  "pikepdf>=5.0.1",
   "pluggy>=0.13.0",
   "reportlab>=3.5.66",
   "tqdm>=4",