diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@
 CHANGELOG](http://keepachangelog.com/). This project adheres to [Semantic
 Versioning](http://semver.org/).
 
+## [0.6.1.1] - Tuesday, 15 of September 2020
+### Fixed
+- Allow `base` versions up to `4.15`.
+- Run continuous integration with more compiler versions, up to `GHC-8.10.2`
+
 ## [0.6.1] - 2019-02-17
 ### Fixed
 - `base` version bump to `4.13`.
diff --git a/Test/SmallCheck/Series/ByteString.hs b/Test/SmallCheck/Series/ByteString.hs
--- a/Test/SmallCheck/Series/ByteString.hs
+++ b/Test/SmallCheck/Series/ByteString.hs
@@ -30,7 +30,7 @@
 import qualified Test.SmallCheck.Series.ByteString.Lazy as L.Series
 
 -- | A 'Data.ByteString.ByteString' 'Series' that grows by replicating
---   the @97@ 'Word8', which encodes the 'a' 'Char' in @ASCII@.
+--   the @97@ 'Word8', which encodes the @\'a\'@ 'Char' in @ASCII@.
 --
 -- >>> list 4 replicateA
 -- ["","a","aa","aaa","aaaa"]
diff --git a/Test/SmallCheck/Series/ByteString/Lazy.hs b/Test/SmallCheck/Series/ByteString/Lazy.hs
--- a/Test/SmallCheck/Series/ByteString/Lazy.hs
+++ b/Test/SmallCheck/Series/ByteString/Lazy.hs
@@ -26,7 +26,7 @@
 import Test.SmallCheck.Series
 
 -- | A 'Data.ByteString.Lazy.ByteString' 'Series' that grows by replicating
---   the @97@ 'Word8', which encodes the 'a' 'Char' in @ASCII@.
+--   the @97@ 'Word8', which encodes the @\'a\'@ 'Char' in @ASCII@.
 --
 -- >>> list 4 replicateA
 -- ["","a","aa","aaa","aaaa"]
diff --git a/Test/SmallCheck/Series/Utils.hs b/Test/SmallCheck/Series/Utils.hs
--- a/Test/SmallCheck/Series/Utils.hs
+++ b/Test/SmallCheck/Series/Utils.hs
@@ -1,5 +1,5 @@
 {-|
-Extra utility functions to manipulate 'Series'.
+Extra utility functions to manipulate 'Test.SmallCheck.Series'.
 -}
 module Test.SmallCheck.Series.Utils
   (
diff --git a/smallcheck-series.cabal b/smallcheck-series.cabal
--- a/smallcheck-series.cabal
+++ b/smallcheck-series.cabal
@@ -1,5 +1,5 @@
 name:                smallcheck-series
-version:             0.6.1
+version:             0.6.1.1
 synopsis:            Extra SmallCheck series and utilities
 description:
   Orphan
@@ -11,13 +11,13 @@
 bug-reports:         https://github.com/jdnavarro/smallcheck-series/issues
 license:             BSD3
 license-file:        LICENSE
-author:              Danny Navarro
-maintainer:          j@dannynavarro.net
+author:              Danny Navarro <j@dannynavarro.net>
+maintainer:          Jan Path <jan@jpath.de>, Ignat Insarov <kindaro@gmail.com>
 category:            Testing
 build-type:          Simple
 extra-source-files:  README.md CHANGELOG.md AUTHORS.md
 cabal-version:       >=1.10
-tested-with:         GHC == 8.0.1, GHC == 8.4.4
+tested-with:         GHC == 8.10.2, GHC == 8.8.2, GHC == 8.6.5, GHC == 8.4.4, GHC == 8.2.2, GHC == 8.0.2
 
 source-repository head
   type: git
@@ -32,7 +32,7 @@
                        Test.SmallCheck.Series.Text
                        Test.SmallCheck.Series.Text.Lazy
                        Test.SmallCheck.Series.Utils
-  build-depends:       base >=4.6 && <4.13,
+  build-depends:       base >=4.6 && <4.15,
                        bytestring >=0.10.0.2,
                        containers >=0.5.0.0,
                        text >=0.11.3,
@@ -46,6 +46,6 @@
   hs-source-dirs:      tests
   main-is:             doctests.hs
   ghc-options:         -Wall -threaded
-  build-depends:       base >=4.6 && <4.12,
+  build-depends:       base >=4.6 && <4.15,
                        Glob >=0.7.5,
                        doctest >=0.9.10