diff --git a/Cargo.lock b/Cargo.lock
index 5c72caef..c544f2e0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3954,7 +3954,7 @@ dependencies = [
 
 [[package]]
 name = "zizmor"
-version = "1.18.0-rc2"
+version = "1.18.0-rc3"
 dependencies = [
  "annotate-snippets",
  "anstream",
diff --git a/crates/zizmor/Cargo.toml b/crates/zizmor/Cargo.toml
index 3a72861f..870c0c42 100644
--- a/crates/zizmor/Cargo.toml
+++ b/crates/zizmor/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "zizmor"
 description = "Static analysis for GitHub Actions"
-version = "1.18.0-rc2"
+version = "1.18.0-rc3"
 repository = "https://github.com/zizmorcore/zizmor"
 documentation = "https://docs.zizmor.sh"
 keywords = ["cli", "github-actions", "static-analysis", "security"]
diff --git a/pyproject.toml b/pyproject.toml
index e9c31cf8..6628404f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ requires-python = ">=3.10"
 [tool.maturin]
 bindings = "bin"
 manifest-path = "crates/zizmor/Cargo.toml"
+include = [{ path = "README.md", format = "sdist" }, { path = "LICENSE", format = "sdist" }]
 
 [dependency-groups]
 docs = ["zensical"]