diff --git a/pkgs/development/ocaml-modules/bitwuzla-cxx/default.nix b/pkgs/development/ocaml-modules/bitwuzla-cxx/default.nix
index 873394f1c01a..f8daec215ef2 100644
--- a/pkgs/development/ocaml-modules/bitwuzla-cxx/default.nix
+++ b/pkgs/development/ocaml-modules/bitwuzla-cxx/default.nix
@@ -6,7 +6,7 @@
 }:
 
 let
-  version = "0.6.1";
+  version = "0.8.0";
 in
 
 buildDunePackage {
@@ -17,7 +17,7 @@ buildDunePackage {
 
   src = fetchurl {
     url = "https://github.com/bitwuzla/ocaml-bitwuzla/releases/download/${version}/bitwuzla-cxx-${version}.tbz";
-    hash = "sha256-QgZy0a4QPVkgiB+lhEw40pE9TeuOOeMowtUb0F+BN6c=";
+    hash = "sha256-t8Vgbiec5m6CYV8bINJqs6uhx0YAJcRZeaWRGNoD6AQ=";
   };
 
   propagatedBuildInputs = [ zarith ];