diff --git a/hls-brittany-plugin.cabal b/hls-brittany-plugin.cabal
--- a/hls-brittany-plugin.cabal
+++ b/hls-brittany-plugin.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.4
 name:               hls-brittany-plugin
-version:            1.0.2.2
+version:            1.1.0.0
 synopsis:           Integration with the Brittany code formatter
 description:
   Please see the README on GitHub at <https://github.com/haskell/haskell-language-server#readme>
@@ -16,6 +16,10 @@
   LICENSE
   test/testdata/**/*.hs
 
+source-repository head
+    type:     git
+    location: https://github.com/haskell/haskell-language-server.git
+
 library
   if impl(ghc >= 9.2)
     buildable: False
@@ -29,8 +33,8 @@
     , brittany        >=0.13.1.0 && < 0.14.0.1 || > 0.14.0.1
     , filepath
     , ghc-boot-th
-    , ghcide          ^>= 1.6 || ^>= 1.7 || ^>= 1.8
-    , hls-plugin-api  ^>= 1.3 || ^>= 1.4 || ^>= 1.5
+    , ghcide          ^>= 1.6 || ^>= 1.7 || ^>= 1.8 || ^>= 1.9
+    , hls-plugin-api  ^>= 1.3 || ^>= 1.4 || ^>= 1.5 || ^>= 1.6
     , lens
     , lsp-types
     , text
@@ -56,4 +60,4 @@
     , base
     , filepath
     , hls-brittany-plugin
-    , hls-test-utils        ^>=1.3 || ^>= 1.4
+    , hls-test-utils        ^>=1.5
diff --git a/src/Ide/Plugin/Brittany.hs b/src/Ide/Plugin/Brittany.hs
--- a/src/Ide/Plugin/Brittany.hs
+++ b/src/Ide/Plugin/Brittany.hs
@@ -17,13 +17,14 @@
 import           Data.Text                                       (Text)
 import qualified Data.Text                                       as T
 import           Development.IDE                                 hiding
-                                                                 (pluginHandlers)
+                                                                 (getExtensions,
+                                                                  pluginHandlers)
 import qualified Development.IDE.GHC.Compat                      as GHC hiding
                                                                         (Cpp)
 import qualified Development.IDE.GHC.Compat.Util                 as GHC
 import           GHC.LanguageExtensions.Type
 import           Ide.PluginUtils
-import           Ide.Types
+import           Ide.Types                                       hiding (Config)
 import           Language.Haskell.Brittany
 import           Language.LSP.Types                              as J
 import qualified Language.LSP.Types.Lens                         as J
diff --git a/test/Main.hs b/test/Main.hs
--- a/test/Main.hs
+++ b/test/Main.hs
@@ -10,8 +10,8 @@
 main :: IO ()
 main = defaultTestRunner tests
 
-brittanyPlugin :: PluginDescriptor IdeState
-brittanyPlugin = Brittany.descriptor "brittany"
+brittanyPlugin :: PluginTestDescriptor ()
+brittanyPlugin = mkPluginTestDescriptor' Brittany.descriptor "brittany"
 
 tests :: TestTree
 tests = testGroup "brittany"