diff --git a/Cargo.toml b/Cargo.toml
index cb52074..52e7bf3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ include = ["/Cargo.toml", "/LICENSE", "/README.md", "/src/**", "/tests/**"]
 syn = { version = "2.0", features = ["full"] }
 proc-macro2 = "1.0"
 quote = "1.0"
-litrs = "0.4"
+litrs = "1.0"
 
 [lib]
 proc-macro = true