diff --git a/Project.toml b/Project.toml
index a60a54f..d0ccdf9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -25,7 +25,7 @@ WGLMakie = "276b4fcb-3e11-5398-bf8b-a0c2d153d008"
 [compat]
 JSServe = "1.2"
 LaserTypes = "0.1"
-PICDataStructures = "0.3"
+PICDataStructures = "0.3, 0.5"
 PhysicalConstants = "0.2"
 Plots = "1.10"
 ProgressLogging = "0.1"