diff --git a/requirements.txt b/requirements.txt
index 2d37dce..cc853cb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,6 +9,6 @@ PyYAML>=6.0
 asyncpg>=0.29.0
 markdown>=3.5.0
 # Core artdag from GitHub (pinned to include sexp module)
-git+https://github.com/gilesbradshaw/art-dag.git@db0c12c
+git+https://github.com/gilesbradshaw/art-dag.git@7075416
 # Shared components
 git+https://git.rose-ash.com/art-dag/common.git@11aa056