diff --git a/pkgs/development/compilers/obliv-c/default.nix b/pkgs/development/compilers/obliv-c/default.nix
index f1cebcaa3ec8..af895131dec9 100644
--- a/pkgs/development/compilers/obliv-c/default.nix
+++ b/pkgs/development/compilers/obliv-c/default.nix
@@ -1,15 +1,15 @@
 { lib, stdenv, libgcrypt, fetchFromGitHub, ocamlPackages, perl }:
 stdenv.mkDerivation rec {
   pname = "obliv-c";
-  version = "0.0pre20180624";
+  version = "0.0pre20210621";
   buildInputs = [ perl ]
   ++ (with ocamlPackages; [ ocaml findlib ocamlbuild ]);
   propagatedBuildInputs = [ libgcrypt ];
   src = fetchFromGitHub {
     owner = "samee";
     repo = "obliv-c";
-    rev = "3d6804ca0fd85868207a0ccbd2509ec064723ac2";
-    sha256 = "1ib21ngn7zr58xxq4sjigrpaxb0wx35x3k9l4qvwflzrmvnman20";
+    rev = "e02e5c590523ef4dae06e167a7fa00037bb3fdaf";
+    sha256 = "sha256:02vyr4689f4dmwqqs0q1mrack9h3g8jz3pj8zqiz987dk0r5mz7a";
   };
 
   hardeningDisable = [ "fortify" ];