diff --git a/pedalboard/version.py b/pedalboard/version.py
index 5c6a97cd..5c219859 100644
--- a/pedalboard/version.py
+++ b/pedalboard/version.py
@@ -17,6 +17,6 @@
 
 MAJOR = 0
 MINOR = 5
-PATCH = 0
+PATCH = 1
 
 __version__ = "%d.%d.%d" % (MAJOR, MINOR, PATCH)
diff --git a/setup.py b/setup.py
index 2a72728a..9969bb03 100644
--- a/setup.py
+++ b/setup.py
@@ -318,6 +318,6 @@ def build_extensions(self, *args, **kwargs):
     ],
     ext_modules=[pedalboard_cpp],
     install_requires=['numpy'],
-    packages=['pedalboard'],
+    packages=['pedalboard', 'pedalboard.io'],
     cmdclass={"build_ext": BuildC_CxxExtensions},
 )