diff --git a/go.mod b/go.mod
index 15f3e8d..adfd816 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/stapelberg/qrbill
 
-go 1.21
+go 1.25
 
 require (
 	github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b