diff --git a/src/sps_datatypes.rs b/src/sps_datatypes.rs
index 2a52392..3f53fec 100644
--- a/src/sps_datatypes.rs
+++ b/src/sps_datatypes.rs
@@ -11,7 +11,7 @@ use serde::{Deserialize, Serialize};
 
 use anyhow::Result;
 
-#[derive(Debug, Serialize, Copy, Clone)]
+#[derive(Debug, Serialize, Deserialize, Copy, Clone)]
 pub enum SPSDataTypes {
     Boolean(BooleanType),
     Int(IntType),