diff --git a/src/tokens.rs b/src/tokens.rs
index 594ba5d..e91824a 100644
--- a/src/tokens.rs
+++ b/src/tokens.rs
@@ -6,7 +6,7 @@ pub enum Case {
     None,
 }
 
-#[derive(Debug, Clone, Default)]
+#[derive(Debug, Clone, Default, PartialEq, Eq, Hash)]
 pub struct ParserBuilder {
     ignore_hex: bool,
 }