diff --git a/pyproject.toml b/pyproject.toml
index 3efb58d52f6821ccc27f00b9982b45c0a8773ecf..b374745cc793e5969eb65d34c91435e712e2adb4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
   "numpy ~= 1.17",
   "scipy ~= 1.4",
   "parq ~= 0.2",
-  "pypfilt ~= 0.8.0",
+  "pypfilt ~= 0.8.1",
 ]
 
 [project.scripts]