diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### 0.1.4
+
+- Support GHC-8.6.5...GHC-9.10.1
+
 ### 0.1.3.1
 
 - Show instance print parens around
diff --git a/range-set-list.cabal b/range-set-list.cabal
--- a/range-set-list.cabal
+++ b/range-set-list.cabal
@@ -1,69 +1,79 @@
-cabal-version:       >= 1.10
-name:                range-set-list
-version:             0.1.3.1
-
-synopsis:            Memory efficient sets with ranges of elements.
-category:            Data
-description:         Memory efficient sets with continuous ranges of discrete, bounded elements. List- and map-based implementations. Interface mimics 'Data.Set' where possible.
+cabal-version:      2.2
+name:               range-set-list
+version:            0.1.4
+synopsis:           Memory efficient sets with ranges of elements.
+category:           Data
+description:
+  Memory efficient sets with continuous ranges of discrete, bounded elements. List- and map-based implementations. Interface mimics 'Data.Set' where possible.
 
-homepage:            https://github.com/phadej/range-set-list#readme
-bug-reports:         https://github.com/phadej/range-set-list/issues
-license:             MIT
-license-file:        LICENSE
-author:              Oleg Grenrus <oleg.grenrus@iki.fi>
-maintainer:          Oleg Grenrus <oleg.grenrus@iki.fi>
-tested-with:         GHC==7.4.2, GHC==7.6.3, GHC==7.8.4, GHC==7.10.3, GHC==8.0.2, GHC==8.2.2, GHC==8.4.4, GHC==8.6.5, GHC==8.8.1
-build-type:          Simple
+homepage:           https://github.com/phadej/range-set-list#readme
+bug-reports:        https://github.com/phadej/range-set-list/issues
+license:            MIT
+license-file:       LICENSE
+author:             Oleg Grenrus <oleg.grenrus@iki.fi>
+maintainer:         Oleg Grenrus <oleg.grenrus@iki.fi>
+tested-with:
+  GHC ==8.6.5
+   || ==8.8.4
+   || ==8.10.7
+   || ==9.0.2
+   || ==9.2.8
+   || ==9.4.8
+   || ==9.6.6
+   || ==9.8.2
+   || ==9.10.1
 
+build-type:         Simple
 extra-source-files:
   CHANGELOG.md
   README.md
 
 source-repository head
-  type: git
+  type:     git
   location: https://github.com/phadej/range-set-list
 
 library
-  hs-source-dirs:
-    src
-  other-extensions: DeriveDataTypeable Safe
-  ghc-options: -Wall -fwarn-tabs
+  hs-source-dirs:   src
+  other-extensions:
+    DeriveDataTypeable
+    Safe
+
+  ghc-options:      -Wall -fwarn-tabs
   build-depends:
-    base        >=4.5      && <4.14,
-    containers  >=0.5.3    && <0.7,
-    deepseq     >=1.3.0.0  && <1.5,
-    hashable    >=1.2.3.3  && <1.4
-  if !impl(ghc >= 8.0)
-    build-depends:
-      semigroups  >=0.16.2.2 && <0.20
+    , base        >=4.12.0.0 && <4.21
+    , containers  >=0.6.0.1  && <0.8
+    , deepseq     >=1.4.4.0  && <1.6
+    , hashable    >=1.4.7.0  && <1.5
+
   exposed-modules:
     Data.RangeSet.Internal
     Data.RangeSet.IntMap
     Data.RangeSet.List
     Data.RangeSet.Map
+
   default-language: Haskell2010
 
 test-suite test
-  type: exitcode-stdio-1.0
-  main-is: Tests.hs
-  hs-source-dirs:
-    tests
-  ghc-options: -Wall -fwarn-tabs
+  type:             exitcode-stdio-1.0
+  main-is:          Tests.hs
+  hs-source-dirs:   tests
+  ghc-options:      -Wall -fwarn-tabs
   build-depends:
-    base,
-    containers,
-    deepseq,
-    hashable,
-    containers,
-    tasty             >=0.8 && <1.3,
-    tasty-quickcheck  >=0.8 && <0.11,
-    range-set-list
-  if !impl(ghc >= 8.0)
-    build-depends:
-      semigroups
+    , base
+    , containers
+    , deepseq
+    , hashable
+    , range-set-list
+    , tasty             >=0.8 && <1.6
+    , tasty-quickcheck  >=0.8 && <0.12
+
+  if !impl(ghc >=8.0)
+    build-depends: semigroups
+
   other-modules:
     IntMap
     List
     Map
     SetAction
+
   default-language: Haskell2010
diff --git a/src/Data/RangeSet/Internal.hs b/src/Data/RangeSet/Internal.hs
--- a/src/Data/RangeSet/Internal.hs
+++ b/src/Data/RangeSet/Internal.hs
@@ -12,7 +12,7 @@
 non-overlapping, non-adjacent, ordered) ranges, but do not check this
 assumption.  Most users should use a higher-level interface.
 -}
-{-# LANGUAGE Safe               #-}
+{-# LANGUAGE Safe #-}
 module Data.RangeSet.Internal
   ( rangeSize
   , rangeIsSubsetList