diff --git a/crates/uplc/src/parser.rs b/crates/uplc/src/parser.rs
index 0fe887d9a..9628f7b7b 100644
--- a/crates/uplc/src/parser.rs
+++ b/crates/uplc/src/parser.rs
@@ -362,7 +362,7 @@ peg::parser! {
             }
 
         rule ident() -> String
-          = i:['a'..='z' | 'A'..='Z' | '0'..='9' | '_' | '\'']+ {
+          = i:['a'..='z' | 'A'..='Z' | '0'..='9' | '_' | '\'' | '~']+ {
             String::from_iter(i)
           }