diff --git a/crates/automata/Cargo.toml b/crates/automata/Cargo.toml
index b02550d..e3d0140 100644
--- a/crates/automata/Cargo.toml
+++ b/crates/automata/Cargo.toml
@@ -47,7 +47,7 @@ test-log = { version = "0.2", features = ["trace"] }
 tempfile = { version = "3.17", optional = true }
 bit-set = "0.6"
 clap = { version = "4.5", optional = true }
-rand_distr = { version = "0.4.3", optional = true }
+rand_distr = { version = "0.5.1", optional = true }
 
 [features]
 default = ["hoa", "random", "render"]