diff --git a/haskell-names.cabal b/haskell-names.cabal
index c67fc9c..cad4771 100644
--- a/haskell-names.cabal
+++ b/haskell-names.cabal
@@ -1,6 +1,8 @@
+cabal-version: 3.8
+
 Name:                   haskell-names
-Version:                0.9.9
-License:                BSD3
+Version:                0.10.0
+License:                BSD-3-Clause
 Author:                 Philipp Schuster, Roman Cheplyaka, Lennart Augustsson
 Maintainer:             Philipp Schuster
 Category:               Language
@@ -10,8 +12,6 @@ Description:
 Homepage:               http://documentup.com/haskell-suite/haskell-names
 Stability:              Experimental
 Build-Type:             Simple
-Cabal-Version:          >= 1.10
-Tested-With:            GHC == 8.0.1, GHC == 8.2.1
 
 extra-source-files:
   README.md
@@ -235,19 +235,17 @@ source-repository head
 Library
   Default-Language: Haskell2010
   Build-depends:
-      base >= 4 && < 5
-    , haskell-src-exts >= 1.21 && < 1.24
-    , mtl >= 2.2.1 && < 2.3
-    , transformers >=0.4.2.0 && < 0.6
-    , filepath >= 1.1 && < 1.5
-    , containers >= 0.2 && < 0.7
-    , uniplate >= 1.5.1 && < 1.7
-    , aeson >= 0.8.0.2 && < 1.6
-    , bytestring >= 0.10.4.0 && < 0.11
-    , data-lens-light >= 0.1.2.1 && < 0.2
-    , traverse-with-class >= 1.0.0.0 && < 1.1
-  if impl(ghc <= 7.8)
-    Build-depends: tagged >= 0.8.4 && < 0.9
+      base
+    , haskell-src-exts
+    , mtl
+    , transformers
+    , filepath
+    , containers
+    , uniplate
+    , aeson
+    , bytestring
+    , data-lens-light
+    , traverse-with-class
   Hs-source-dirs:       src
   Ghc-options:          -Wall -fno-warn-name-shadowing
 
@@ -281,15 +279,15 @@ Test-suite test
   Main-is:
     run.hs
   Build-depends:
-      base >= 4 && < 5
+      base
     , haskell-names
-    , haskell-src-exts >= 1.21 && < 1.24
-    , mtl >= 2.2.1 && < 2.3
-    , filepath >= 1.1 && <1.5
-    , containers >= 0.2 && < 0.7
-    , tasty >= 0.12 && < 1.3
-    , tasty-golden >= 2.2.1 && < 2.4
-    , filemanip >= 0.3.6.3 && < 0.4
-    , pretty-show >= 1.6.1 && < 1.11
-    , traverse-with-class >= 1.0.0.0 && < 1.1
+    , haskell-src-exts
+    , mtl
+    , filepath
+    , containers
+    , tasty
+    , tasty-golden
+    , filemanip
+    , pretty-show
+    , traverse-with-class
 
diff --git a/src/Language/Haskell/Names/Exports.hs b/src/Language/Haskell/Names/Exports.hs
index c90782a..13b6229 100644
--- a/src/Language/Haskell/Names/Exports.hs
+++ b/src/Language/Haskell/Names/Exports.hs
@@ -4,18 +4,16 @@ module Language.Haskell.Names.Exports
   , annotateExportSpecList
   ) where
 
-import qualified Data.Map as Map
-import qualified Data.Set as Set
 import Control.Monad
-import Control.Monad.Writer
 import Data.Data
 import Language.Haskell.Exts
-import Language.Haskell.Names.Types
+import Language.Haskell.Names.GlobalSymbolTable as Global
+import Language.Haskell.Names.ModuleSymbols
 import Language.Haskell.Names.ScopeUtils
 import Language.Haskell.Names.SyntaxUtils
-import Language.Haskell.Names.ModuleSymbols
-import Language.Haskell.Names.GlobalSymbolTable as Global
-import qualified Data.Set as Set (fromList, toList)
+import Language.Haskell.Names.Types
+import qualified Data.Map as Map
+import qualified Data.Set as Set
 
 
 -- | Compute the list of symbols the given module exports using the given
diff --git a/src/Language/Haskell/Names/Imports.hs b/src/Language/Haskell/Names/Imports.hs
index f7d9c83..3e7cb10 100644
--- a/src/Language/Haskell/Names/Imports.hs
+++ b/src/Language/Haskell/Names/Imports.hs
@@ -6,7 +6,6 @@ module Language.Haskell.Names.Imports
   )
   where
 
-import Data.Monoid
 import Data.Maybe
 import Data.Either
 
diff --git a/src/Language/Haskell/Names/LocalSymbolTable.hs b/src/Language/Haskell/Names/LocalSymbolTable.hs
index bee7124..45d5172 100644
--- a/src/Language/Haskell/Names/LocalSymbolTable.hs
+++ b/src/Language/Haskell/Names/LocalSymbolTable.hs
@@ -8,7 +8,6 @@ module Language.Haskell.Names.LocalSymbolTable
   ) where
 
 import qualified Data.Map as Map
-import Data.Semigroup
 import Language.Haskell.Exts
 import Language.Haskell.Names.SyntaxUtils (dropAnn)
 import Language.Haskell.Names.Types
diff --git a/src/Language/Haskell/Names/Open/Base.hs b/src/Language/Haskell/Names/Open/Base.hs
index 3f05ff2..6b66e1f 100644
--- a/src/Language/Haskell/Names/Open/Base.hs
+++ b/src/Language/Haskell/Names/Open/Base.hs
@@ -18,7 +18,6 @@ import Data.List
 import Data.Lens.Light
 import Data.Generics.Traversable
 import Data.Typeable
-import Data.Monoid
 import Data.Functor.Constant
 
 -- | Describes how we should treat names in the current context
diff --git a/src/Language/Haskell/Names/ScopeUtils.hs b/src/Language/Haskell/Names/ScopeUtils.hs
index 2e4e8f7..bb7ac9b 100644
--- a/src/Language/Haskell/Names/ScopeUtils.hs
+++ b/src/Language/Haskell/Names/ScopeUtils.hs
@@ -1,7 +1,6 @@
 module Language.Haskell.Names.ScopeUtils where
 
 import Control.Arrow
-import Data.Monoid
 import Language.Haskell.Names.Types
 import Language.Haskell.Names.SyntaxUtils
 import Language.Haskell.Exts
diff --git a/stack.yaml b/stack.yaml
index 932a65d..e0c577f 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1 +1,2 @@
-resolver: lts-15.14
+resolver:
+  url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/21/10.yaml