diff --git a/build.py b/build.py
new file mode 100755
index 0000000..bbed438
--- /dev/null
+++ b/build.py
@@ -0,0 +1,34 @@
+#! /usr/bin/python3 -B
+
+import os
+import shutil
+
+import sphinx
+
+INPUT = ["docs"]
+OUTPUT = "out"
+
+
+def main():
+    file = os.path.realpath(__file__)
+    directory = os.path.dirname(file)
+    output_directory = os.path.join(directory, OUTPUT)
+    shutil.rmtree(output_directory, ignore_errors=True)
+    for doc in INPUT:
+        arguments = [
+            "-E",
+            "-j", "2",
+            "-b", "html",
+            "-D", "project={}".format(doc),
+            "-D", "master_doc={}".format("index"),
+            "-D", "html_theme={}".format("sphinx_rtd_theme"),
+            # "-C",
+            "-c", directory,
+            os.path.join(directory, doc),
+            os.path.join(output_directory, doc),
+        ]
+        sphinx.build_main(arguments)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/make.py b/make.py
deleted file mode 100755
index f91175d..0000000
--- a/make.py
+++ /dev/null
@@ -1,34 +0,0 @@
-#! /usr/bin/python3 -B
-
-import os
-import shutil
-import subprocess
-
-FORMATS = {
-    "html": "docs",
-    "latex": "doc",
-}
-INPUT = "in"
-OUTPUT = "out"
-
-
-def run(*arguments):
-    return subprocess.call(arguments)
-
-
-def main():
-    script_file = os.path.realpath(__file__)
-    project_directory = os.path.dirname(script_file)
-    os.chdir(project_directory)
-    shutil.rmtree(OUTPUT, ignore_errors=True)
-    for f, name in reversed(sorted(FORMATS.items())):
-        run("sphinx-build",
-            "-b", f,
-            "-c", os.curdir,
-            "-j", "2",
-            "-D", "latex_paper_size=a4",
-            INPUT, os.path.join(OUTPUT, name))
-
-
-if __name__ == "__main__":
-    main()