diff --git a/hipsolver.spec b/hipsolver.spec
index 93f55e8..4d7e240 100644
--- a/hipsolver.spec
+++ b/hipsolver.spec
@@ -11,7 +11,7 @@
 
 %global toolchain rocm
 # hipcc does not support some clang flags
-%global build_cxxflags %(echo %{optflags} | sed -e 's/-fstack-protector-strong/-Xarch_host -fstack-protector-strong/' -e 's/-fcf-protection/-Xarch_host -fcf-protection/')
+%global build_cxxflags %(echo %{optflags} | sed -e 's/-fstack-protector-strong/-Xarch_host -fstack-protector-strong/' -e 's/-fcf-protection/-Xarch_host -fcf-protection/' -e 's/-mtls-dialect=gnu2//')
 
 %bcond_with debug
 %if %{with debug}
@@ -40,7 +40,7 @@
 
 Name:           %{hipsolver_name}
 Version:        %{rocm_version}
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        ROCm SOLVER marshalling library
 Url:            https://github.com/ROCm/%{upstreamname}
 License:        MIT
@@ -164,6 +164,9 @@ fi
 %endif
 
 %changelog
+* Wed Jul 30 2025 Tom Rix <Tom.Rix@amd.com> - 6.4.2-2
+- Remove -mtls-dialect cflag
+
 * Thu Jul 24 2025 Jeremy Newton <alexjnewt at hotmail dot com> - 6.4.2-1
 - Update to 6.4.2