diff --git a/Project.toml b/Project.toml
index 4babf7a40..68b96caa8 100644
--- a/Project.toml
+++ b/Project.toml
@@ -33,13 +33,17 @@ DistributionsTestExt = "Test"
 ChainRulesCore = "1"
 DensityInterface = "0.4"
 FillArrays = "0.9, 0.10, 0.11, 0.12, 0.13, 1"
+LinearAlgebra = "<0.0.1, 1"
 PDMats = "0.10, 0.11"
+Printf = "<0.0.1, 1"
 QuadGK = "2"
+Random = "<0.0.1, 1"
 SpecialFunctions = "1.2, 2"
 Statistics = "1"
 StatsAPI = "1.6"
 StatsBase = "0.32, 0.33, 0.34"
 StatsFuns = "0.9.15, 1"
+Test = "<0.0.1, 1"
 julia = "1.3"
 
 [extras]