diff --git a/Cargo.lock b/Cargo.lock
index 501f702..904cfd2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -303,7 +303,7 @@ checksum = "9d0e916b1148c8e263850e1ebcbd046f333e0683c724876bb0da63ea4373dc8a"
 
 [[package]]
 name = "theine_core"
-version = "0.4.3"
+version = "0.4.4"
 dependencies = [
  "ahash",
  "compact_str",
diff --git a/Cargo.toml b/Cargo.toml
index 4f8eaa3..26371f8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "theine_core"
-version = "0.4.3"
+version = "0.4.4"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/pyproject.toml b/pyproject.toml
index 8880824..028390f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,6 +5,7 @@ build-backend = "maturin"
 [project]
 name = "theine_core"
 requires-python = ">=3.7"
+license = "MIT"
 classifiers = [
     "Programming Language :: Rust",
     "Programming Language :: Python :: Implementation :: CPython",