diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for typelet
 
+## 0.1.1.0 -- 2022-03-24
+
+* Move to `ghc-tcplugin-api` 0.7
+
 ## 0.1.0.0 -- 2021-12-17 
 
 * First version.
diff --git a/src/TypeLet/Plugin/GhcTcPluginAPI.hs b/src/TypeLet/Plugin/GhcTcPluginAPI.hs
--- a/src/TypeLet/Plugin/GhcTcPluginAPI.hs
+++ b/src/TypeLet/Plugin/GhcTcPluginAPI.hs
@@ -7,9 +7,6 @@
   , module GHC.Utils.Outputable
 
     -- * Additional re-exports
-    -- ** Type variables
-  , TyVar
-  , isSkolemTyVar
     -- ** Substitutions
   , TCvSubst
   , Subst.substTy
@@ -17,40 +14,23 @@
   , Subst.zipTvSubst
   , elemVarSet
   , tyCoVarsOfType
-    -- ** Location information
-  , GenLocated(L)
-    -- ** Errors
-  , Panic.panic
   ) where
 
 import GHC.TcPlugin.API
+import GHC.Utils.Outputable
 
 #if MIN_VERSION_ghc(9,0,0)
+
 import GHC.Core.TyCo.FVs (tyCoVarsOfType)
 import GHC.Core.TyCo.Subst (TCvSubst)
-import GHC.Tc.Utils.TcType (isSkolemTyVar)
-import GHC.Types.SrcLoc (GenLocated(L))
-import GHC.Types.Var (TyVar)
 import GHC.Types.Var.Set (elemVarSet)
 
 import qualified GHC.Core.TyCo.Subst as Subst
-#endif
 
-#if MIN_VERSION_ghc(9,2,0)
-import GHC.Utils.Outputable
-import qualified GHC.Utils.Panic as Panic
 #else
--- for ghc < 9.0, needs ghc-tcplugin-api's re-export of GHC.Utils.Outputable
-import GHC.Utils.Outputable hiding (panic)
-import qualified GHC.Utils.Outputable as Panic
-#endif
 
-#if !MIN_VERSION_ghc(9,0,0)
-
-import SrcLoc (GenLocated(L))
-import Type (TyVar)
 import VarSet (elemVarSet)
-import TcType (TCvSubst, tyCoVarsOfType, isSkolemTyVar)
+import TcType (TCvSubst, tyCoVarsOfType)
 
 import qualified TcType as Subst
 
diff --git a/typelet.cabal b/typelet.cabal
--- a/typelet.cabal
+++ b/typelet.cabal
@@ -1,7 +1,7 @@
 cabal-version:      2.4
 build-type:         Custom
 name:               typelet
-version:            0.1.0.0
+version:            0.1.1.0
 synopsis:           Plugin to faciliate type-level let
 description:        For a certain class of programs, type-level let is essential
                     in order to be able to write these programs in such a way
@@ -17,6 +17,7 @@
 copyright:          Well-Typed LLP, Juspay Technologies Pvt Ltd
 category:           Plugin
 extra-source-files: CHANGELOG.md
+tested-with:        GHC ==8.8.4 || ==8.10.7 || ==9.0.2 || ==9.2.2
 
 source-repository head
   type:     git
@@ -39,7 +40,7 @@
         TypeLet.Plugin.Substitution
     build-depends:
         base >= 4.13 && < 4.17
-      , ghc-tcplugin-api >= 0.6 && < 0.7
+      , ghc-tcplugin-api >= 0.7 && < 0.8
 
         -- whichever versions are bundled with ghc:
       , containers