diff --git a/pyproject.toml b/pyproject.toml
index 84d5d3ae5..88e4863b2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,7 +73,7 @@ dependencies = [
   "paypalrestsdk==1.13.*",
   "paypal-checkout-serversdk==1.0.*",
   "PyJWT==2.10.*",
-  "phonenumberslite==8.13.*",
+  "phonenumberslite==9.0.*",
   "Pillow==11.1.*",
   "pretix-plugin-build",
   "protobuf==6.30.*",