diff --git a/submodules/dagflow b/submodules/dagflow
index d0ea9efea369ea1f65efb9acb938be6c7cab2e7d..d8ddbd39920fabf83b3470d4a11f46d3b664709f 160000
--- a/submodules/dagflow
+++ b/submodules/dagflow
@@ -1 +1 @@
-Subproject commit d0ea9efea369ea1f65efb9acb938be6c7cab2e7d
+Subproject commit d8ddbd39920fabf83b3470d4a11f46d3b664709f