diff --git a/requirements.txt b/requirements.txt
index 73c5b6dc..6b930b94 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-ladybug-grasshopper==1.6.2
+ladybug-grasshopper==1.6.3
 honeybee-grasshopper-core==1.9.0
 honeybee-grasshopper-radiance==1.0.1
 honeybee-grasshopper-energy==1.8.0