diff --git a/Cargo.toml b/Cargo.toml
index 393a53ad..b8cfd9fd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,12 +27,12 @@ compiler_builtins = { version = "0.1.2", optional = true }
 [dev-dependencies]
 trybuild = "1.0.18"
 rustversion = "1.0"
-serde_derive = "1.0"
+serde_derive = "1.0.103"
 serde_json = "1.0"
 serde_test = "1.0.19"
 zerocopy = { version = "0.7", features = ["derive"] }
 arbitrary = { version = "1.0", features = ["derive"] }
-bytemuck = { version = "1.0", features = ["derive"] }
+bytemuck = { version = "1.12.2", features = ["derive"] }
 
 [features]
 std = []