diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index d29ae63..00fdc28 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,7 +16,7 @@ repos:
       - id: fmt
       - id: cargo-check
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.14.10
+    rev: v0.15.0
     hooks:
       - id: ruff
         args: [--fix, --select, I]  # I = isort (import sorting)
diff --git a/Cargo.lock b/Cargo.lock
index 2164708..a1ceb70 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -121,7 +121,7 @@ checksum = "b1dd07eb858a2067e2f3c7155d54e929265c264e6f37efe3ee7a8d1b5a1dd0ba"
 
 [[package]]
 name = "toons"
-version = "0.5.0"
+version = "0.5.1"
 dependencies = [
  "pyo3",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index b83ced1..f69b766 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "toons"
-version = "0.5.0"
+version = "0.5.1"
 edition = "2024"
 
 # 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 43475ec..c67988e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,6 +23,7 @@ Source = "https://github.com/alesanfra/toons"
 
 [tool.maturin]
 features = ["pyo3/extension-module", "pyo3/abi3-py37"]
+include = ["toons.pyi"]
 
 [tool.ruff]
 line-length = 79
diff --git a/toons.pyi b/toons.pyi
new file mode 100644
index 0000000..c7a7960
--- /dev/null
+++ b/toons.pyi
@@ -0,0 +1,33 @@
+from typing import IO, Any, Optional
+
+def load(
+    fp: IO[str],
+    *,
+    strict: bool = True,
+    expand_paths: Optional[str] = None,
+    indent: Optional[int] = None,
+) -> Any: ...
+def loads(
+    s: str,
+    *,
+    strict: bool = True,
+    expand_paths: Optional[str] = None,
+    indent: Optional[int] = None,
+) -> Any: ...
+def dump(
+    obj: Any,
+    fp: IO[str],
+    *,
+    indent: int = 2,
+    delimiter: str = ",",
+    key_folding: Optional[str] = None,
+    flatten_depth: Optional[int] = None,
+) -> None: ...
+def dumps(
+    obj: Any,
+    *,
+    indent: int = 2,
+    delimiter: str = ",",
+    key_folding: Optional[str] = None,
+    flatten_depth: Optional[int] = None,
+) -> str: ...