diff --git a/pyproject.toml b/pyproject.toml
index 3d7a33c..072331f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -69,7 +69,7 @@ pdf = [
   # Optional dependency for `agents-shipgate scan --packet-format ...,pdf`
   # and `agents-shipgate evidence-packet --format pdf`. Skipped with a
   # warning if not installed; the rest of the packet still renders.
-  "weasyprint>=62,<70",
+  "weasyprint>=68.1,<70",
 ]
 dev = [
   "build>=1.5.0,<2",