diff --git a/pyproject.toml b/pyproject.toml
index b446f71..bc56280 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "remove-ai-watermarks"
-version = "0.8.0"
+version = "0.8.1"
 description = "Remove visible and invisible AI watermarks from images (Gemini / Nano Banana, ChatGPT, Stable Diffusion)"
 readme = "README.md"
 requires-python = ">=3.10"
@@ -118,6 +118,13 @@ build-backend = "hatchling.build"
 [tool.hatch.build.targets.wheel]
 packages = ["src/remove_ai_watermarks"]
 
+[tool.hatch.build.targets.sdist]
+# Keep the source distribution small: ship the package + metadata, not the
+# committed test corpora / calibration captures under data/ (tens of MB --
+# synthid_corpus images + the visible-mark captures), which pushed the 0.8.0
+# sdist past PyPI's per-project file-size limit (the wheel ships only src/).
+exclude = ["/data"]
+
 [tool.pytest.ini_options]
 testpaths = ["tests"]
 pythonpath = ["src"]
diff --git a/src/remove_ai_watermarks/__init__.py b/src/remove_ai_watermarks/__init__.py
index ad5db47..0673b90 100644
--- a/src/remove_ai_watermarks/__init__.py
+++ b/src/remove_ai_watermarks/__init__.py
@@ -1,3 +1,3 @@
 """Remove-AI-Watermarks: Unified tool for removing visible and invisible AI watermarks."""
 
-__version__ = "0.8.0"
+__version__ = "0.8.1"
diff --git a/uv.lock b/uv.lock
index a87a3dd..f70ebd7 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2865,7 +2865,7 @@ wheels = [
 
 [[package]]
 name = "remove-ai-watermarks"
-version = "0.8.0"
+version = "0.8.1"
 source = { editable = "." }
 dependencies = [
     { name = "click" },