diff --git a/Project.toml b/Project.toml
index 003541a95..58adc5264 100644
--- a/Project.toml
+++ b/Project.toml
@@ -53,7 +53,7 @@ FillArrays = "0.9, 0.10, 0.11, 0.12, 0.13, 1"
 Format = "1.2"
 GPUArrays = "8, 9, 10, 11"
 Geant4 = "0.1.13, 0.2"
-Interpolations = "0.14, 0.15"
+Interpolations = "0.14, 0.15, 0.16"
 IntervalSets = "0.6, 0.7"
 JSON = "0.21.2"
 KernelAbstractions = "0.8, 0.9"