diff --git a/Cargo.toml b/Cargo.toml
index cbdb353..05b774e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ tests-native = { path = "tests-native", default-features = false, features = ["r
 
 [target.'cfg(target_arch = "wasm32")'.dev-dependencies]
 getrandom = { version = "0.2", features = ["js"] }
-rand = { version = "0.8", default-features = false, features = ["getrandom", "std_rng"] }
+rand = { version = "0.9", default-features = false, features = ["getrandom", "std_rng"] }
 tests-web = { path = "tests-web", default-features = false, features = ["run"] }
 wasm-bindgen-test = { version = "0.3", default-features = false, features = [
 	"msrv",
diff --git a/tests-web/Cargo.toml b/tests-web/Cargo.toml
index c5e20c0..cf1ea7b 100644
--- a/tests-web/Cargo.toml
+++ b/tests-web/Cargo.toml
@@ -30,7 +30,7 @@ dlmalloc = "0.2"
 getrandom = { version = "0.2", features = ["js"] }
 js-sys = { version = "0.3", default-features = false }
 libm = "0.2"
-rand = { version = "0.8", default-features = false, features = ["getrandom", "std_rng"] }
+rand = { version = "0.9", default-features = false, features = ["getrandom", "std_rng"] }
 serde-json-core = { version = "0.6", optional = true, default-features = false }
 serde_json = { version = "1", optional = true, default-features = false, features = ["alloc"] }
 serde_test = { version = "1", optional = true, default-features = false }