diff --git a/Project.toml b/Project.toml
index 10c787304..8362917d2 100644
--- a/Project.toml
+++ b/Project.toml
@@ -85,7 +85,7 @@ ArrayInterface = "7.17"
 BandedMatrices = "1.8"
 BlockDiagonals = "0.2"
 CUDA = "5.5"
-CUDSS = "0.4"
+CUDSS = "0.4, 0.6.1"
 CUSOLVERRF = "0.2.6"
 ChainRulesCore = "1.25"
 CliqueTrees = "1.11.0"