diff --git a/pkgs/applications/science/logic/bitwuzla/default.nix b/pkgs/applications/science/logic/bitwuzla/default.nix
index 467eeb5c8d9b..cc8651f69cfa 100644
--- a/pkgs/applications/science/logic/bitwuzla/default.nix
+++ b/pkgs/applications/science/logic/bitwuzla/default.nix
@@ -20,13 +20,13 @@
 
 stdenv.mkDerivation rec {
   pname = "bitwuzla";
-  version = "unstable-2022-08-07";
+  version = "unstable-2022-10-03";
 
   src = fetchFromGitHub {
     owner = "bitwuzla";
     repo = "bitwuzla";
-    rev = "b6fb61736a5cf70cd0b35ec4aeeadf23971610ce";
-    hash = "sha256-T5VnnWrcZ8K1NjFf5eeg0TRpXBLRCxC67v8zWPwYF/Y=";
+    rev = "3bc0f9f1aca04afabe1aff53dd0937924618b2ad";
+    hash = "sha256-UXZERl7Nedwex/oUrcf6/GkDSgOQ537WDYm117RfvWo=";
   };
 
   nativeBuildInputs = [ cmake pkg-config ];
@@ -43,7 +43,6 @@ stdenv.mkDerivation rec {
 
   cmakeFlags = [
     "-DBUILD_SHARED_LIBS=ON"
-    "-DUSE_SYMFPU=ON"
     "-DPicoSAT_INCLUDE_DIR=${lib.getDev picosat}/include/picosat"
     "-DBtor2Tools_INCLUDE_DIR=${lib.getDev btor2tools}/include/btor2parser"
     "-DBtor2Tools_LIBRARIES=${lib.getLib btor2tools}/lib/libbtor2parser${stdenv.hostPlatform.extensions.sharedLibrary}"