diff --git a/CHANGELOG.md b/CHANGELOG.md
deleted file mode 100644
--- a/CHANGELOG.md
+++ /dev/null
@@ -1,5 +0,0 @@
-# Revision history for dirichlet
-
-## 0.1.0.0 -- YYYY-mm-dd
-
-* First version. Released on an unsuspecting world.
diff --git a/ChangeLog.md b/ChangeLog.md
new file mode 100644
--- /dev/null
+++ b/ChangeLog.md
@@ -0,0 +1,22 @@
+
+# Revision history for dirichlet
+
+
+## Unreleased changes
+
+
+## 0.1.0.2
+
+-   Bugfix cabal file.
+
+
+## 0.1.0.1
+
+-   Cabal changes.
+-   Version policy changes.
+
+
+## 0.1.0.0
+
+-   First version. Released on an unsuspecting world.
+
diff --git a/README.md b/README.md
new file mode 100644
--- /dev/null
+++ b/README.md
@@ -0,0 +1,6 @@
+
+# Multivariate Dirichlet distribution
+
+The [statistics](https://hackage.haskell.org/package/statistics) package does not support multivariate distributions. This package
+provides basic functions to work with the multivariate Dirichlet distribution.
+
diff --git a/dirichlet.cabal b/dirichlet.cabal
--- a/dirichlet.cabal
+++ b/dirichlet.cabal
@@ -1,43 +1,47 @@
-cabal-version:       2.4
+cabal-version:      2.4
+name:               dirichlet
+version:            0.1.0.2
+license:            BSD-3-Clause
+license-file:       LICENSE
+copyright:          Dominik Schrempf 2020
+maintainer:         dominik.schrempf@gmail.com
+author:             Dominik Schrempf
+homepage:           https://github.com/dschrempf/dirichlet
+bug-reports:        https://github.com/dschrempf/dirichlet
+synopsis:           Multivariate Dirichlet distribution
+description:
+    Please see the README on GitHub at <https://github.com/dschrempf/dirichlet#readme>
 
-name:                dirichlet
-version:             0.1.0.0
-synopsis:            Multivariate dirichlet distribution
-description:         Please see the README on GitHub at <https://github.com/dschrempf/dirichlet#readme>
-homepage:            https://github.com/dschrempf/dirichlet
-bug-reports:
-license:             BSD-3-Clause
-license-file:        LICENSE
-author:              Dominik Schrempf
-maintainer:          dominik.schrempf@gmail.com
--- copyright:
-category:            Math
-build-type:          Simple
-extra-source-files:  CHANGELOG.md
+category:           Math
+build-type:         Simple
+extra-source-files:
+    README.md
+    ChangeLog.md
 
 library
-  exposed-modules:     Statistics.Distribution.Dirichlet
-  -- other-modules:
-  -- other-extensions:
-  build-depends:       base >=4.14 && <4.15
-                     , log-domain
-                     , math-functions
-                     , mwc-random
-                     , primitive
-                     , vector
-  hs-source-dirs:      src
-  default-language:    Haskell2010
+    exposed-modules:  Statistics.Distribution.Dirichlet
+    hs-source-dirs:   src
+    default-language: Haskell2010
+    ghc-options:      -Wall -Wunused-packages
+    build-depends:
+        base >=4.14.1.0 && <4.15,
+        log-domain ==0.13.*,
+        math-functions >=0.3.4.1 && <0.4,
+        mwc-random >=0.14.0.0 && <0.15,
+        primitive >=0.7.1.0 && <0.8,
+        vector >=0.12.1.2 && <0.13
 
 test-suite dirichlet-test
-  default-language:    Haskell2010
-  type:                exitcode-stdio-1.0
-  hs-source-dirs:      test
-  main-is:             Spec.hs
-  other-modules:       Statistics.Distribution.DirichletSpec
-  build-depends:       base >=4.14 && <4.15
-                     , dirichlet
-                     , hspec
-                     , hspec-discover
-                     , log-domain
-                     , mwc-random
-                     , vector
+    type:             exitcode-stdio-1.0
+    main-is:          Spec.hs
+    hs-source-dirs:   test
+    other-modules:    Statistics.Distribution.DirichletSpec
+    default-language: Haskell2010
+    ghc-options:      -Wall -Wunused-packages
+    build-depends:
+        base >=4.14.1.0 && <4.15,
+        dirichlet -any,
+        hspec >=2.7.4 && <2.8,
+        log-domain ==0.13.*,
+        mwc-random >=0.14.0.0 && <0.15,
+        vector >=0.12.1.2 && <0.13
diff --git a/test/Statistics/Distribution/DirichletSpec.hs b/test/Statistics/Distribution/DirichletSpec.hs
--- a/test/Statistics/Distribution/DirichletSpec.hs
+++ b/test/Statistics/Distribution/DirichletSpec.hs
@@ -73,8 +73,8 @@
       map V.length xs `shouldBe` replicate 1000 10
       -- print [ xbar i xs | i <- [0..9]]
       [ abs (xbar i xs - 0.1) > 0.01 | i <- [0..9]] `shouldBe` replicate 10 False
-      xs <- replicateM 1000 (dirichletSample dd10 g)
-      map V.length xs `shouldBe` replicate 1000 10
+      xs' <- replicateM 1000 (dirichletSample dd10 g)
+      map V.length xs' `shouldBe` replicate 1000 10
       -- print [ xbar i xs | i <- [0..9]]
       let aSum = V.sum alphas10
-      [ abs (xbar i xs - (alphas10 V.! i / aSum)) > 0.01 | i <- [0..9]] `shouldBe` replicate 10 False
+      [ abs (xbar i xs' - (alphas10 V.! i / aSum)) > 0.01 | i <- [0..9]] `shouldBe` replicate 10 False