diff --git a/.abf.yml b/.abf.yml
index 980bd90..1cd504b 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,2 +1,2 @@
 sources:
-  graphviz-10.0.1.tar.gz: a6d8e9a3f98867b250d3f20c4bbc19cd1cd42ec2
+  graphviz-11.0.0.tar.xz: 2ad6c39101b4473978b033f7f1f8df907f956af3