diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,11 @@
 # Changelog for homotuple
 
+## 0.1.1.0
+
+2020.05.26
+
+Relaxing the upper bound for the base package.
+
 ## 0.1.0.0
 
 2019.10.10
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,1 +1,5 @@
 # homotuple
+
+[![GitHub Actions](https://github.com/kakkun61/tuple/workflows/build/badge.svg?branch=master)](https://github.com/kakkun61/tuple/actions?query=workflow%3Abuild)
+
+[![Hackage](https://matrix.hackage.haskell.org/api/v2/packages/homotuple/badge)](http://hackage.haskell.org/package/homotuple)
diff --git a/homotuple.cabal b/homotuple.cabal
--- a/homotuple.cabal
+++ b/homotuple.cabal
@@ -1,24 +1,19 @@
-cabal-version: 1.12
-
--- This file has been generated from package.yaml by hpack version 0.31.1.
---
--- see: https://github.com/sol/hpack
---
--- hash: bf3e190ee92c45cf9f906b2ac73da62207735e115f856db4fc9fe116bdd7f963
+cabal-version: 1.12
 
 name:           homotuple
-version:        0.1.0.0
+version:        0.1.1.0
 synopsis:       Homotuple, all whose elements are the same type
 description:    Homotuple, all whose elements are the same type
 category:       Data
-homepage:       https://github.com/kakkun61/homotuple#readme
-bug-reports:    https://github.com/kakkun61/homotuple/issues
+homepage:       https://github.com/kakkun61/tuple
+bug-reports:    https://github.com/kakkun61/tuple/issues
 author:         Kazuki Okamoto
 maintainer:     kazuki.okamoto@kakkun61.com
 copyright:      2019 Kazuki Okamoto
-license:        Apache
+license:        Apache-2.0
 license-file:   LICENSE
 build-type:     Simple
+
 extra-source-files:
     README.md
     ChangeLog.md
@@ -28,21 +23,29 @@
   location: https://github.com/kakkun61/homotuple
 
 library
-  exposed-modules:
-      Data.Tuple.Homotuple
-      Data.Tuple.Homotuple.Identity
-      Data.Tuple.Homotuple.OneTuple
-      Data.Tuple.Homotuple.Only
-  other-modules:
-      Paths_homotuple
-  hs-source-dirs:
-      src
-  ghc-options: -Wall -Wcompat -Wincomplete-uni-patterns -Wincomplete-record-updates -Wmonomorphism-restriction -Wmissing-exported-signatures -Wmissing-export-lists -Wmissing-home-modules -Wmissing-import-lists -Widentities -Wredundant-constraints -Wpartial-fields -Wno-name-shadowing
-  build-depends:
-      OneTuple >=0.2 && <0.3
-    , Only >=0.1 && <0.2
-    , base >=4.12 && <4.13
-    , single-tuple >=0.1 && <0.2
-  if impl(ghc >= 8.6.1)
+  exposed-modules:      Data.Tuple.Homotuple
+                        Data.Tuple.Homotuple.Identity
+                        Data.Tuple.Homotuple.OneTuple
+                        Data.Tuple.Homotuple.Only
+  hs-source-dirs:       src
+  ghc-options:          -Wall
+                        -Wcompat
+                        -Wincomplete-uni-patterns
+                        -Wincomplete-record-updates
+                        -Wmonomorphism-restriction
+                        -Wmissing-exported-signatures
+                        -Wmissing-home-modules
+                        -Wmissing-import-lists
+                        -Widentities
+                        -Wredundant-constraints
+                        -Wno-name-shadowing
+  build-depends:        base >=4.10 && <4.15,
+                        OneTuple >=0.2 && <0.3,
+                        Only >=0.1 && <0.2,
+                        single-tuple >=0.1 && <0.2
+  if impl(ghc >= 8.4.0)
+    ghc-options:        -Wmissing-export-lists
+                        -Wpartial-fields
+  if impl(ghc >= 8.6.0)
     default-extensions: NoStarIsType
-  default-language: Haskell2010
+  default-language:     Haskell2010