diff --git a/Cargo.toml b/Cargo.toml
index 6bff35c..aea50b2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ categories = ["science"]
 [dependencies]
 bitvec = "1"
 rand = "0.8"
-rand_distr = "0.4"
+rand_distr = "0.5"
 thiserror = "1"
 
 [dev-dependencies]