diff --git a/Project.toml b/Project.toml
index 8a90b5fd9a..398b9e6927 100644
--- a/Project.toml
+++ b/Project.toml
@@ -51,6 +51,7 @@ Requires = "1"
 Scratch = "1"
 Showoff = "0.3.1, 1.0"
 StatsBase = "0.32, 0.33"
+Distributions = "<= 0.25.6"
 julia = "1.5"
 
 [extras]