diff --git a/spack-environment/packages.yaml b/spack-environment/packages.yaml
index 651dd93d1581b5d6a31af9f1aedca3fe0f9b5889..6fc860de6fb228d50d9592059e1215e85d090b8d 100644
--- a/spack-environment/packages.yaml
+++ b/spack-environment/packages.yaml
@@ -158,7 +158,7 @@ packages:
     - '@2023-05-19'
   graphviz:
     require:
-    - '@8.0.1'
+    - '@12.1.0'
     - +expat +pangocairo
   hepmc3:
     require: