diff --git a/Project.toml b/Project.toml
index e5e167e..0c4e5e6 100644
--- a/Project.toml
+++ b/Project.toml
@@ -22,9 +22,9 @@ CSV = "≥ 0.5.18"
 DataFrames = "≥ 0.19.4"
 Format = "≥ 1.0.1"
 Optim = "≥ 0.19.6"
-SpecialFunctions = "≥ 0.9.0"
+SpecialFunctions = "≥ 0.8.0"
 StatsBase = "≥ 0.32.0"
-StatsFuns = "≥ 0.8.0"
+StatsFuns = "≥ 0.9.2"
 StatsModels = "≥ 0.6.7"
 
 [extras]