diff --git a/Cargo.toml b/Cargo.toml
index 1b2eae8c9a5fd3a72ddd8bd177e9b0353b275b88..0186fec4fe62e047713ff67336238fbdddcc1170 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,6 +15,7 @@ num-traits = { version = "0.2.18", default-features = false }
 num-derive = "0.4.2"
 bitflags = "2.4.2"
 serde = { version = "1.0.197", optional = true }
+serde_arrays = { version = "0.1.0", optional = true }
 
 [features]
 default = ["lyra"]
@@ -25,4 +26,4 @@ lynx = []
 hermes = []
 r2a = []
 test = []
-serde = ["dep:serde"]
+serde = ["dep:serde", "dep:serde_arrays"]