diff --git a/test/Project.toml b/test/Project.toml
index 4367dcc1a..9fa3fd872 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -34,6 +34,7 @@ ADTypes = "1"
 AbstractMCMC = "5"
 AbstractPPL = "0.10.1"
 Accessors = "0.1"
+Aqua = "0.8"
 Bijectors = "0.15.1"
 Combinatorics = "1"
 Compat = "4.3.0"