diff --git a/ghc-datasize.cabal b/ghc-datasize.cabal
--- a/ghc-datasize.cabal
+++ b/ghc-datasize.cabal
@@ -1,5 +1,5 @@
 name:               ghc-datasize
-version:            0.2.2
+version:            0.2.3
 license:            BSD3
 license-file:       LICENSE
 category:           GHC, Debug, Development
@@ -20,10 +20,10 @@
 Library
   Exposed-modules: GHC.DataSize
   Default-Language: Haskell2010
-  Build-depends: base >= 4.12 && < 4.13,
+  Build-depends: base >= 4.12 && < 4.15,
                  deepseq >= 1.3 && < 1.5,
-                 ghc-heap == 8.6.*,
-                 ghc-prim == 0.5.3
+                 ghc-lib-parser-ex,
+                 ghc-prim >= 0.5 && < 0.7
   Hs-source-dirs: src/
   Ghc-options: -Wall