diff --git a/Cargo.toml b/Cargo.toml
index 41452b4..399118a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "outlines-core"
-version = "0.1.20"
+version = "0.1.21"
 edition = "2021"
 description = "Structured Generation"
 license = "Apache-2.0"