diff --git a/pkgs/applications/science/logic/alt-ergo/default.nix b/pkgs/applications/science/logic/alt-ergo/default.nix
index e396f1c4a91..519b1f98138 100644
--- a/pkgs/applications/science/logic/alt-ergo/default.nix
+++ b/pkgs/applications/science/logic/alt-ergo/default.nix
@@ -2,29 +2,27 @@
 
 let
   pname = "alt-ergo";
-  version = "2.3.2";
+  version = "2.3.3";
 
   src = fetchurl {
     url = "https://alt-ergo.ocamlpro.com/http/alt-ergo-${version}/alt-ergo-${version}.tar.gz";
-    sha256 = "130hisjzkaslygipdaaqib92spzx9rapsd45dbh5ssczjn5qnhb9";
+    sha256 = "124k2a4ikk4wdpmvgjpgl97x9skvr9qznk8m68dzsynzpv6yksaj";
   };
 
-  preConfigure = "patchShebangs ./configure";
-
   nativeBuildInputs = [ which ];
 
 in
 
 let alt-ergo-lib = ocamlPackages.buildDunePackage rec {
   pname = "alt-ergo-lib";
-  inherit version src preConfigure nativeBuildInputs;
+  inherit version src nativeBuildInputs;
   configureFlags = pname;
   propagatedBuildInputs = with ocamlPackages; [ num ocplib-simplex stdlib-shims zarith ];
 }; in
 
 let alt-ergo-parsers = ocamlPackages.buildDunePackage rec {
   pname = "alt-ergo-parsers";
-  inherit version src preConfigure nativeBuildInputs;
+  inherit version src nativeBuildInputs;
   configureFlags = pname;
   buildInputs = with ocamlPackages; [ menhir ];
   propagatedBuildInputs = [ alt-ergo-lib ] ++ (with ocamlPackages; [ camlzip psmt2-frontend ]);
@@ -32,7 +30,7 @@ let alt-ergo-parsers = ocamlPackages.buildDunePackage rec {
 
 ocamlPackages.buildDunePackage {
 
-  inherit pname version src preConfigure nativeBuildInputs;
+  inherit pname version src nativeBuildInputs;
 
   configureFlags = pname;