diff --git a/CHANGELOG b/CHANGELOG
new file mode 100644
--- /dev/null
+++ b/CHANGELOG
@@ -0,0 +1,4 @@
+2022-04-21 Ivan Perez <ivan.perez@keera.co.uk>
+        * dunai-test.cabal: Version bump (0.8.2) (#280), declare changelog file
+          (#273), declare subdir of source-repository (#272).
+        * CHANGELOG: Add CHANGELOG file (#273).
diff --git a/dunai-test.cabal b/dunai-test.cabal
--- a/dunai-test.cabal
+++ b/dunai-test.cabal
@@ -1,7 +1,46 @@
-name:                dunai-test
-version:             0.8.1
-synopsis:            Testing library for Dunai
-description:         Testing and debugging library for Dunai.
+-- Copyright (c) 2017 - Ivan Perez - All rights reserved
+--
+-- Redistribution and use in source and binary forms, with or without
+-- modification, are permitted provided that the following conditions are met:
+--
+--     * Redistributions of source code must retain the above copyright
+--       notice, this list of conditions and the following disclaimer.
+--
+--     * Redistributions in binary form must reproduce the above
+--       copyright notice, this list of conditions and the following
+--       disclaimer in the documentation and/or other materials provided
+--       with the distribution.
+--
+--     * Neither the name of Ivan Perez nor the names of other contributors may
+--       be used to endorse or promote products derived from this software
+--       without specific prior written permission.
+--
+-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+-- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+-- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+-- OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+-- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+-- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+-- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+-- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+-- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+-- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+cabal-version: >= 1.10
+build-type:    Simple
+
+name:          dunai-test
+version:       0.8.2
+author:        Ivan Perez
+maintainer:    ivan.perez@keera.co.uk
+homepage:      https://github.com/ivanperez-keera/dunai
+license:       BSD3
+license-file:  LICENSE
+copyright:     Copyright (c) 2017 - Ivan Perez
+category:      Testing
+synopsis:      Testing library for Dunai
+description:
+  Testing and debugging library for Dunai.
   .
   It contains:
   .
@@ -13,26 +52,34 @@
   .
   A detailed explanation of these ideas is included in the ICFP 2017 paper
   <https://dl.acm.org/citation.cfm?id=3110246 Testing and Debugging Functional Reactive Programming>.
-homepage:            http://github.com/ivanperez-keera/dunai
-license:             BSD3
-license-file:        LICENSE
-author:              Ivan Perez
-maintainer:          ivan.perez@keera.co.uk
--- copyright:
-category:            Testing
-build-type:          Simple
 
-cabal-version:       >=1.10
 
+extra-source-files:
+  CHANGELOG
+
+
+source-repository head
+  type:     git
+  location: git@github.com:ivanperez-keera/dunai.git
+  subdir:   dunai-test
+
+
 library
-  exposed-modules:     FRP.Dunai.Debug
-                       FRP.Dunai.LTLFuture
-                       FRP.Dunai.LTLPast
-                       FRP.Dunai.Stream
-                       FRP.Dunai.QuickCheck
-  build-depends:       base >= 4 && <5,
-                       dunai >= 0.5 && <0.9,
-                       QuickCheck,
-                       normaldistribution
-  hs-source-dirs:      src
-  default-language:    Haskell2010
+  exposed-modules:
+    FRP.Dunai.Debug
+    FRP.Dunai.LTLFuture
+    FRP.Dunai.LTLPast
+    FRP.Dunai.QuickCheck
+    FRP.Dunai.Stream
+
+  build-depends:
+      base >= 4 && < 5
+    , dunai >= 0.5 && < 0.9
+    , normaldistribution
+    , QuickCheck
+
+  default-language:
+    Haskell2010
+
+  hs-source-dirs:
+    src
