diff --git a/ThirdParty/catalyst/vtkcatalyst/catalyst/thirdparty/conduit/fmt/conduit_fmt/format.h b/ThirdParty/catalyst/vtkcatalyst/catalyst/thirdparty/conduit/fmt/conduit_fmt/format.h
index f0902169..86eb72e7 100644
--- a/ThirdParty/catalyst/vtkcatalyst/catalyst/thirdparty/conduit/fmt/conduit_fmt/format.h
+++ b/ThirdParty/catalyst/vtkcatalyst/catalyst/thirdparty/conduit/fmt/conduit_fmt/format.h
@@ -1726,7 +1726,7 @@ OutputIt write_nonfinite(OutputIt out, bool isinf,
   auto str =
       isinf ? (fspecs.upper ? "INF" : "inf") : (fspecs.upper ? "NAN" : "nan");
   constexpr size_t str_size = 3;
-  auto sign = fspecs.sign;
+  auto sign = static_cast<unsigned int>(fspecs.sign);
   auto size = str_size + (sign ? 1 : 0);
   using iterator = remove_reference_t<decltype(reserve(out, 0))>;
   return write_padded(out, specs, size, [=](iterator it) {
@@ -1807,7 +1807,7 @@ OutputIt write_float(OutputIt out, const DecimalFP& fp,
   auto significand = fp.significand;
   int significand_size = get_significand_size(fp);
   static const Char zero = static_cast<Char>('0');
-  auto sign = fspecs.sign;
+  auto sign = static_cast<unsigned int>(fspecs.sign);
   size_t size = to_unsigned(significand_size) + (sign ? 1 : 0);
   using iterator = remove_reference_t<decltype(reserve(out, 0))>;
 

diff --git a/VTK/ThirdParty/fmt/vtkfmt/vtkfmt/format.h b/VTK/ThirdParty/fmt/vtkfmt/vtkfmt/format.h
index 5398a23a..108b4f90 100644
--- a/VTK/ThirdParty/fmt/vtkfmt/vtkfmt/format.h
+++ b/VTK/ThirdParty/fmt/vtkfmt/vtkfmt/format.h
@@ -1587,7 +1587,7 @@ auto write_nonfinite(OutputIt out, bool isinf, basic_format_specs<Char> specs,
   auto str =
       isinf ? (fspecs.upper ? "INF" : "inf") : (fspecs.upper ? "NAN" : "nan");
   constexpr size_t str_size = 3;
-  auto sign = fspecs.sign;
+  auto sign = static_cast<unsigned int>(fspecs.sign);
   auto size = str_size + (sign ? 1 : 0);
   // Replace '0'-padding with space for non-finite values.
   const bool is_zero_fill =
@@ -1673,7 +1673,7 @@ auto write_float(OutputIt out, const DecimalFP& fp,
   auto significand = fp.significand;
   int significand_size = get_significand_size(fp);
   static const Char zero = static_cast<Char>('0');
-  auto sign = fspecs.sign;
+  auto sign = static_cast<unsigned int>(fspecs.sign);
   size_t size = to_unsigned(significand_size) + (sign ? 1 : 0);
   using iterator = reserve_iterator<OutputIt>;