diff --git a/Cargo.toml b/Cargo.toml
index 1fe49b3..3b98bbe 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ rust-version  = "1.76.0"
 version       = "0.5.0"
 
 [dependencies]
-serde      = { version = "1.0", optional = true, features = ["alloc"] }
+serde      = { version = "1.0.203", optional = true, features = ["alloc"] }
 serde_json = { version = "1.0.119", optional = true, features = ["alloc"] }
 toml       = { version = "0.8", optional = true }