diff --git a/benchmarks/Project.toml b/benchmarks/Project.toml
index 134508b83..c2a3f009f 100644
--- a/benchmarks/Project.toml
+++ b/benchmarks/Project.toml
@@ -21,5 +21,6 @@ BenchmarkTools = "1.6.0"
 Distributions = "0.25.117"
 ForwardDiff = "0.10.38, 1"
 LogDensityProblems = "2.1.2"
+Mooncake = "0.4"
 PrettyTables = "2.4.0"
 ReverseDiff = "1.15.3"