diff --git a/pkgs/tools/compression/advancecomp/default.nix b/pkgs/tools/compression/advancecomp/default.nix
index 31ce1a986fb0..db1e1dbfd857 100644
--- a/pkgs/tools/compression/advancecomp/default.nix
+++ b/pkgs/tools/compression/advancecomp/default.nix
@@ -3,13 +3,13 @@
 
 stdenv.mkDerivation rec {
   name = "advancecomp-${version}";
-  version = "2.0";
+  version = "2.1";
 
   src = fetchFromGitHub {
     owner = "amadvance";
     repo = "advancecomp";
     rev = "v${version}";
-    sha256 = "1lvrcxcxbxac47j0ml11nikx38zan7bbr3dfjssm52r5v4cmh8j9";
+    sha256 = "1pd6czamamrd0ppk5a3a65hcgdlqwja98aandhqiajhnibwldv8x";
   };
 
   nativeBuildInputs = [ autoreconfHook ];