diff --git a/Project.toml b/Project.toml
index a6c9c6a93..13034ad73 100644
--- a/Project.toml
+++ b/Project.toml
@@ -83,7 +83,7 @@ ArrayInterface = "7.17"
 BandedMatrices = "1.8"
 BlockDiagonals = "0.2"
 CUDA = "5.5"
-CUDSS = "0.4"
+CUDSS = "0.4, 0.6"
 CUSOLVERRF = "0.2.6"
 ChainRulesCore = "1.25"
 CliqueTrees = "1.11.0"