diff --git a/Project.toml b/Project.toml
index 6f0fd949..ee6d3b5e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -21,6 +21,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 ArrayInterface = "6, 7"
 ChainRulesCore = "0.8, 0.9, 0.10, 1"
 ConstructionBase = "1"
+GPUArrays = "8"
 ForwardDiff = "0.10"
 Requires = "1"
 ReverseDiff = "1"