diff --git a/include/foo.h b/include/foo.h
new file mode 100644
--- /dev/null
+++ b/include/foo.h
@@ -0,0 +1,1 @@
+int foo(int);
diff --git a/liquidhaskell-cabal-demo.cabal b/liquidhaskell-cabal-demo.cabal
--- a/liquidhaskell-cabal-demo.cabal
+++ b/liquidhaskell-cabal-demo.cabal
@@ -1,8 +1,8 @@
 name:                     liquidhaskell-cabal-demo
-version:                  0.2.0.0
+version:                  0.2.0.1
 synopsis:                 Demo of Liquid Haskell integration for Cabal and stack
 description:              Please see the
-                          <https://github.com/spinda/liquidhaskell-cabal-demo/blob/0.2.0.0/README.md README>
+                          <https://github.com/spinda/liquidhaskell-cabal-demo/blob/0.2.0.1/README.md README>
                           on GitHub for more information.
 homepage:                 https://github.com/spinda/liquidhaskell-cabal-demo#readme
 bug-reports:              https://github.com/spinda/liquidhaskell-cabal-demo/issues
@@ -14,6 +14,7 @@
 category:                 Development
 cabal-version:            >=1.10
 build-type:               Custom
+extra-source-files:       include/foo.h
 
 custom-setup
   setup-depends:           base, Cabal, liquidhaskell-cabal >= 0.2.0