diff --git a/requirements_full.txt b/requirements_full.txt
index 59d9a544eb..2b1c7b158b 100644
--- a/requirements_full.txt
+++ b/requirements_full.txt
@@ -8,5 +8,5 @@ pyyaml
 simphony==0.3.0
 SiPANN==1.3.1
 sklearn
-tidy3d-beta==1.3.2
+tidy3d-beta==1.8.4
 triangle