diff --git a/Cargo.lock b/Cargo.lock
index caff2b1..37b1d77 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -226,7 +226,7 @@ dependencies = [
 
 [[package]]
 name = "rpn_rs"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "confy",
  "crossterm",