diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index cc06feda..00000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1 +0,0 @@
-include data/*.csv
diff --git a/docs/source/_static/interrogate_badge.svg b/docs/source/_static/interrogate_badge.svg
index 63e5eda8..aab38d3f 100644
--- a/docs/source/_static/interrogate_badge.svg
+++ b/docs/source/_static/interrogate_badge.svg
@@ -1,5 +1,5 @@
 <svg width="140" height="20" viewBox="0 0 140 20" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
-    <title>interrogate: 51.6%</title>
+    <title>interrogate: 53.0%</title>
     <g transform="matrix(1,0,0,1,22,0)">
         <g id="backgrounds" transform="matrix(1.32789,0,0,1,-22.3892,0)">
             <rect x="0" y="0" width="71" height="20" style="fill:rgb(85,85,85);"/>
@@ -12,8 +12,8 @@
     <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="110">
         <text x="590" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="610">interrogate</text>
         <text x="590" y="140" transform="scale(.1)" textLength="610">interrogate</text>
-        <text x="1160" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="370" data-interrogate="result">51.6%</text>
-        <text x="1160" y="140" transform="scale(.1)" textLength="370" data-interrogate="result">51.6%</text>
+        <text x="1160" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="370" data-interrogate="result">53.0%</text>
+        <text x="1160" y="140" transform="scale(.1)" textLength="370" data-interrogate="result">53.0%</text>
     </g>
     <g id="logo-shadow" serif:id="logo shadow" transform="matrix(0.854876,0,0,0.854876,-6.73514,1.732)">
         <g transform="matrix(0.299012,0,0,0.299012,9.70229,-6.68582)">
diff --git a/pyproject.toml b/pyproject.toml
index 0fe406c1..662ec608 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,11 +5,11 @@ requires = ["setuptools>=61.0"]
 
 # This is configuration specific to the `setuptools` build backend.
 # If you are using a different build backend, you will need to change this.
-[tool.setuptools]
-# define all packages here
-packages = ['causalpy', 'causalpy.data']
-# include package data, such as .csv files
-include-package-data = true
+[tool.setuptools.packages.find]
+exclude = ["causalpy.test*", "docs*"]
+
+[tool.setuptools.package-data]
+"causalpy.data" = ["*.csv"]
 
 [project]
 name = "CausalPy"