diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,4 @@
+# webapp changelog
+
+v 0.0.1 - Initial release
+v 0.0.2 - Fix omitted module in `webapp.cabal`: `Web.App.Monad.Internal`
diff --git a/Web/App/Monad/Internal.hs b/Web/App/Monad/Internal.hs
new file mode 100644
--- /dev/null
+++ b/Web/App/Monad/Internal.hs
@@ -0,0 +1,14 @@
+{-# OPTIONS_HADDOCK hide, prune, ignore-exports #-}
+ 
+module Web.App.Monad.Internal
+(
+  WebApp(..)
+)
+where
+  
+import Web.App.FileCache (FileCache)
+
+data WebApp s = WebApp {
+  webAppCache :: FileCache,
+  webAppState :: s
+}
diff --git a/webapp.cabal b/webapp.cabal
--- a/webapp.cabal
+++ b/webapp.cabal
@@ -1,5 +1,5 @@
 Name:                webapp
-Version:             0.0.1
+Version:             0.0.2
 Synopsis:            Haskell web scaffolding using Scotty, WAI, and Warp
 Homepage:            https://github.com/fhsjaagshs/webapp
 Bug-reports:         https://github.com/fhsjaagshs/webapp/issues
@@ -16,6 +16,7 @@
 
 Extra-source-files:
     README.md
+    CHANGELOG.md
 
 Library
   build-tools:       hsc2hs
@@ -33,6 +34,7 @@
   other-modules:     Web.App.Gzip
                      Web.App.Privileges
                      Web.App.TerminalSize
+                     Web.App.Monad.Internal
   default-language:  Haskell2010
   build-depends:     base >= 4.8.0.0 && <= 4.8.1.0,
                      mtl,