diff --git a/requirements.txt b/requirements.txt
index 767fbaef..6798b8fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 dragonfly-energy==1.30.22
-dragonfly-radiance==0.3.220
+dragonfly-radiance==0.3.221
 dragonfly-uwg==0.5.634
 dragonfly-display==0.3.3
 lbt-honeybee==0.8.515