diff --git a/pyproject.toml b/pyproject.toml
index b1c3806..d5c6f0b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ requires-python = ">=3.14"
 readme = "README.md"
 dynamic = ["version"]
 dependencies = [
-    "sumup==0.0.22",
+    "sumup==0.1.1",
 ]
 
 [build-system]