diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,24 +1,29 @@
 # Revision history for blucontrol
 
-## 0.2.1.0 -- 2020-08-12
+## 0.2.1.1 *12 Aug 2020*
 
+* Improve miscallenous documentation.
+* Add `Setup.hs`.
+
+## 0.2.1.0 *12 Aug 2020*
+
 * Compile user config only when it has been modified.
 * New internal module `Blucontrol.Main.GHC.Internal` for setting ghc flags.
 
-## 0.2.0.0 -- 2020-08-10
+## 0.2.0.0 *10 Aug 2020*
 
 * Rename the whole application from bludigon to blucontrol.
 
-## 0.1.1.0 -- 2020-08-10
+## 0.1.1.0 *10 Aug 2020*
 
 * `runGamma` runs directly in `IO` now.
 * New module `Bludigon.Control.Concat`.
 * New module `Bludigon.Control.Count`.
 
-## 0.1.0.1 -- 2020-08-02
+## 0.1.0.1 *02 Aug 2020*
 
 * Add header file to c-sources.
 
-## 0.1.0.0 -- 2020-08-02
+## 0.1.0.0 *02 Aug 2020*
 
 * First version. Released on an unsuspecting world.
diff --git a/Setup.hs b/Setup.hs
new file mode 100644
--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/blucontrol.cabal b/blucontrol.cabal
--- a/blucontrol.cabal
+++ b/blucontrol.cabal
@@ -1,5 +1,5 @@
 name:                blucontrol
-version:             0.2.1.0
+version:             0.2.1.1
 synopsis:            Configurable blue light filter
 description:         This application is a blue light filter, with the main focus on
                      configurability.