diff --git a/compiler/GHC/Builtin/Types/Prim.hs b/compiler/GHC/Builtin/Types/Prim.hs
--- a/compiler/GHC/Builtin/Types/Prim.hs
+++ b/compiler/GHC/Builtin/Types/Prim.hs
@@ -246,7 +246,13 @@
 stablePtrPrimTyConName        = mkPrimTc (fsLit "StablePtr#") stablePtrPrimTyConKey stablePtrPrimTyCon
 stableNamePrimTyConName       = mkPrimTc (fsLit "StableName#") stableNamePrimTyConKey stableNamePrimTyCon
 compactPrimTyConName          = mkPrimTc (fsLit "Compact#") compactPrimTyConKey compactPrimTyCon
+
+#if __GLASGOW_HASKELL >= 900
+bcoPrimTyConName              = mkPrimTc (fsLit "BCO") bcoPrimTyConKey bcoPrimTyCon
+#else
 bcoPrimTyConName              = mkPrimTc (fsLit "BCO#") bcoPrimTyConKey bcoPrimTyCon
+#endif
+
 weakPrimTyConName             = mkPrimTc (fsLit "Weak#") weakPrimTyConKey weakPrimTyCon
 threadIdPrimTyConName         = mkPrimTc (fsLit "ThreadId#") threadIdPrimTyConKey threadIdPrimTyCon
 
@@ -1105,7 +1111,13 @@
 bcoPrimTy    :: Type
 bcoPrimTy    = mkTyConTy bcoPrimTyCon
 bcoPrimTyCon :: TyCon
+
+#if __GLASGOW_HASKELL >= 900
+bcoPrimTyCon = pcPrimTyCon0 bcoPrimTyConName LiftedRep
+#else
 bcoPrimTyCon = pcPrimTyCon0 bcoPrimTyConName UnliftedRep
+#endif
+
 
 {-
 ************************************************************************
diff --git a/ghc-lib-parser.cabal b/ghc-lib-parser.cabal
--- a/ghc-lib-parser.cabal
+++ b/ghc-lib-parser.cabal
@@ -1,7 +1,7 @@
 cabal-version: >=1.22
 build-type: Simple
 name: ghc-lib-parser
-version: 9.0.1.20210205
+version: 9.0.1.20210207
 license: BSD3
 license-file: LICENSE
 category: Development
@@ -71,8 +71,8 @@
     else
         build-depends: Win32
     build-depends:
-        ghc-prim > 0.2 && < 0.7,
-        base >= 4.12 && < 4.15,
+        ghc-prim > 0.2 && < 0.8,
+        base >= 4.12 && < 4.16,
         containers >= 0.5 && < 0.7,
         bytestring >= 0.9 && < 0.11,
         binary == 0.8.*,