diff --git a/Project.toml b/Project.toml
index 5213d4edf..7ef09729e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -52,7 +52,7 @@ Distributions = "0.24.5, 0.25"
 FillArrays = "0.9, 0.10, 0.11, 0.12, 0.13, 1"
 Format = "1.2"
 GPUArrays = "8, 9, 10, 11"
-Geant4 = "0.1.13"
+Geant4 = "0.1.13, 0.2"
 Interpolations = "0.14, 0.15"
 IntervalSets = "0.6, 0.7"
 JSON = "0.21.2"