diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 000000000..5632a0ff5
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,4 @@
+graft misoc/software
+graft misoc/cores/lm32/verilog/submodule
+graft misoc/cores/mor1kx/verilog
+include misoc/cores/mxcrg.v
diff --git a/setup.py b/setup.py
index 7097418e3..39cbcf464 100755
--- a/setup.py
+++ b/setup.py
@@ -31,6 +31,7 @@ setup(
         "Programming Language :: Python",
     ],
     packages=find_packages(),
+    include_package_data=True,
     entry_points={
         "console_scripts": [
             "flterm=misoc.tools.flterm:main",