diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..fafdfd8
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1 @@
+include psychopy_eyetracker_tobii/tobii/*.yaml
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 87d9f86..1b2029f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "psychopy-eyetracker-tobii"
-version = "0.0.21"
+version = "0.0.1"
 description = "Extension package for PsychoPy which adds support for Tobii eyetrackers."
 readme = "README.md"
 requires-python = ">= 3.7"
@@ -30,4 +30,6 @@ urls.documentation = "https://pages.github.com/psychopy/psychopy-eyetracker-tobi
 urls.repository = "https://github.com/psychopy/psychopy-eyetracker-tobii"
 dependencies = [
     "tobiiresearch"
-]
\ No newline at end of file
+]
+[tool.setuptools.packages.find]
+where = ["", "psychopy_eyetracker_tobii",]