diff --git a/benchmarks/LinearSolve/Project.toml b/benchmarks/LinearSolve/Project.toml
index e08afd9f8..85510709e 100644
--- a/benchmarks/LinearSolve/Project.toml
+++ b/benchmarks/LinearSolve/Project.toml
@@ -17,4 +17,5 @@ BenchmarkTools = "1"
 LinearSolve = "2.5"
 Pardiso = "0.5"
 Plots = "1"
+Sparspak = "0.3"
 VectorizationBase = "0.21"