diff --git a/hls-call-hierarchy-plugin.cabal b/hls-call-hierarchy-plugin.cabal
--- a/hls-call-hierarchy-plugin.cabal
+++ b/hls-call-hierarchy-plugin.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.4
 name:               hls-call-hierarchy-plugin
-version:            2.2.0.0
+version:            2.3.0.0
 synopsis:           Call hierarchy plugin for Haskell Language Server
 description:
   Please see the README on GitHub at <https://github.com/haskell/haskell-language-server/tree/master/plugins/hls-call-hierarchy-plugin#readme>
@@ -33,9 +33,9 @@
     , base                  >=4.12 && <5
     , containers
     , extra
-    , ghcide                == 2.2.0.0
+    , ghcide                == 2.3.0.0
     , hiedb
-    , hls-plugin-api        == 2.2.0.0
+    , hls-plugin-api        == 2.3.0.0
     , lens
     , lsp                    >=2.2.0.0
     , sqlite-simple
@@ -59,7 +59,7 @@
     , extra
     , filepath
     , hls-call-hierarchy-plugin
-    , hls-test-utils              == 2.2.0.0
+    , hls-test-utils              == 2.3.0.0
     , ghcide-test-utils
     , lens
     , lsp
diff --git a/test/Main.hs b/test/Main.hs
--- a/test/Main.hs
+++ b/test/Main.hs
@@ -8,7 +8,7 @@
 
 import           Control.Lens               (set, (^.))
 import           Control.Monad.Extra
-import           Data.Aeson
+import qualified Data.Aeson                 as Aeson
 import           Data.Functor               ((<&>))
 import           Data.List                  (sort, tails)
 import qualified Data.Map                   as M
@@ -527,9 +527,9 @@
     assertHierarchyItem selRange selRange'
     case xdata' of
       Nothing -> assertFailure ("In " ++ show c ++ ", got Nothing for data but wanted " ++ show xdata)
-      Just v -> case fromJSON v of
-        Success v -> assertBool ("In " ++ show c ++ " wanted data prefix: " ++ show xdata) (xdata `T.isPrefixOf` v)
-        Error err -> assertFailure ("In " ++ show c ++ " wanted data prefix: " ++ show xdata ++ " but json parsing failed with " ++ show err)
+      Just v -> case Aeson.fromJSON v of
+        Aeson.Success v -> assertBool ("In " ++ show c ++ " wanted data prefix: " ++ show xdata) (xdata `T.isPrefixOf` v)
+        Aeson.Error err -> assertFailure ("In " ++ show c ++ " wanted data prefix: " ++ show xdata ++ " but json parsing failed with " ++ show err)
   where
     tags = Nothing
     detail = Just "Main"