diff --git a/pkgs/development/tools/haskell/cabal2nix/default.nix b/pkgs/development/tools/haskell/cabal2nix/default.nix
index 5fe5fc3639fe..22dde229a2b9 100644
--- a/pkgs/development/tools/haskell/cabal2nix/default.nix
+++ b/pkgs/development/tools/haskell/cabal2nix/default.nix
@@ -3,8 +3,8 @@
 
 cabal.mkDerivation (self: {
   pname = "cabal2nix";
-  version = "1.45";
-  sha256 = "0xj4qkh4kp2q1a73q5da71spzskpxcfnn4pga9s492baf9yflhlf";
+  version = "1.47";
+  sha256 = "1ba0ny610ibynwvzqnk5h2461sdkmza5jqrizqxvhp9wknn50fc6";
   isLibrary = false;
   isExecutable = true;
   buildDepends = [ Cabal filepath hackageDb HTTP mtl regexPosix ];