diff --git a/Cargo.toml b/Cargo.toml
index eba9e69..2e5c467 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,7 +37,7 @@ log = "0.4"
 pretty_env_logger = "0.5"
 rand = "0.8"
 rand_core = "0.6"
-rand_isaac = "0.3"
+rand_isaac = "0.5"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"