diff --git a/hls-fourmolu-plugin.cabal b/hls-fourmolu-plugin.cabal
--- a/hls-fourmolu-plugin.cabal
+++ b/hls-fourmolu-plugin.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.4
 name:               hls-fourmolu-plugin
-version:            1.1.1.0
+version:            2.0.0.0
 synopsis:           Integration with the Fourmolu code formatter
 description:
   Please see the README on GitHub at <https://github.com/haskell/haskell-language-server#readme>
@@ -23,6 +23,7 @@
   location: git://github.com/haskell/haskell-language-server.git
 
 library
+  buildable: True
   exposed-modules:
       Ide.Plugin.Fourmolu
     , Ide.Plugin.Fourmolu.Shim
@@ -31,11 +32,11 @@
   build-depends:
     , base            >=4.12 && <5
     , filepath
-    , fourmolu        ^>=0.3 || ^>=0.4 || ^>= 0.6 || ^>= 0.7 || ^>= 0.8 || ^>= 0.9 || ^>= 0.10
+    , fourmolu        ^>=0.3 || ^>=0.4 || ^>= 0.6 || ^>= 0.7 || ^>= 0.8 || ^>= 0.9 || ^>= 0.10 || ^>= 0.11 || ^>= 0.12
     , ghc
     , ghc-boot-th
-    , ghcide          ^>=1.8 || ^>= 1.9
-    , hls-plugin-api  ^>=1.5 || ^>= 1.6
+    , ghcide          == 2.0.0.0
+    , hls-plugin-api  == 2.0.0.0
     , lens
     , lsp
     , process-extras  >= 0.7.1
@@ -47,6 +48,7 @@
   default-language: Haskell2010
 
 test-suite tests
+  buildable: True
   type:             exitcode-stdio-1.0
   default-language: Haskell2010
   hs-source-dirs:   test
@@ -61,5 +63,5 @@
     , filepath
     , hls-fourmolu-plugin
     , hls-plugin-api
-    , hls-test-utils       ^>=1.5
+    , hls-test-utils       == 2.0.0.0
     , lsp-test
diff --git a/src/Ide/Plugin/Fourmolu.hs b/src/Ide/Plugin/Fourmolu.hs
--- a/src/Ide/Plugin/Fourmolu.hs
+++ b/src/Ide/Plugin/Fourmolu.hs
@@ -5,6 +5,7 @@
 {-# LANGUAGE OverloadedLabels         #-}
 {-# LANGUAGE OverloadedStrings        #-}
 {-# LANGUAGE TypeApplications         #-}
+{-# LANGUAGE CPP                      #-}
 
 module Ide.Plugin.Fourmolu (
     descriptor,
@@ -101,7 +102,11 @@
         else do
             let format fourmoluConfig =
                     bimap (mkError . show) (makeDiffTextEdit contents)
+#if MIN_VERSION_fourmolu(0,11,0)
+                        <$> try @OrmoluException (ormolu config fp' contents)
+#else
                         <$> try @OrmoluException (ormolu config fp' (T.unpack contents))
+#endif
                   where
                     printerOpts = cfgFilePrinterOpts fourmoluConfig
                     config =