diff --git a/Cargo.toml b/Cargo.toml
index 258f3abd..d9d8641f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ filetime = "0.2.8"
 
 [dev-dependencies]
 astral-tokio-tar = "0.6.2"
-rand = { version = "0.8", features = ["small_rng"] }
+rand = { version = "0.10", features = ["small_rng"] }
 tempfile = "3"
 tokio = { version = "1", features = ["macros", "rt"] }
 tokio-stream = "0.1"
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 1dc1dfff..cb55fed5 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -9,7 +9,7 @@ cargo-fuzz = true
 
 [dependencies]
 arbitrary = { version = "1.3.2", features = ["derive"] }
-cap-std = "3.4.0"
+cap-std = "4.0.0"
 libfuzzer-sys = "0.4"
 tempfile = "3.3"