diff --git a/test/Project.toml b/test/Project.toml
index f749b28ee..7191c5064 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -46,5 +46,6 @@ Optimisers = "0.4"
 Random = "1.10"
 SafeTestsets = "0.1"
 SpecialFunctions = "2.4"
+StableRNGs = "1"
 Statistics = "1.10"
 Test = "1.10"