diff --git a/requirements.txt b/requirements.txt
index b1de6415..f0f41fd5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 dragonfly-energy==1.31.8
 dragonfly-radiance==0.3.235
-dragonfly-uwg==0.5.643
+dragonfly-uwg==0.5.644
 dragonfly-display==0.3.4
 lbt-honeybee==0.8.527