diff --git a/gnupg2.spec b/gnupg2.spec
index 8f5415464e963ce207735708e23852ff2dfdd1c6..a3811592e41c44bff413da44c3b6998dd702ce98 100644
--- a/gnupg2.spec
+++ b/gnupg2.spec
@@ -1,6 +1,6 @@
 Name: gnupg2
 Version: 2.4.8
-Release: 2
+Release: 3
 Summary: Utility for secure communication and data storage
 
 License: CC0-1.0 AND GPL-2.0-or-later AND GPL-3.0-or-later AND LGPL-2.1-or-later AND LGPL-3.0-or-later AND (BSD-3-Clause OR LGPL-3.0-or-later OR GPL-2.0-or-later) AND CC-BY-4.0 AND MIT
@@ -83,7 +83,7 @@ sed -i 's/development_version=yes/development_version=no/' configure
   --enable-large-secmem \
   --enable-sm2
 
-%make_build
+%make_build CFLAGS="$CFLAGS -Wno-error=implicit-function-declaration" CXXFLAGS="$CXXFLAGS -Wno-error=implicit-function-declaration"
 
 %install
 %make_install
@@ -126,6 +126,9 @@ rm -f %{buildroot}%{_infodir}/dir
 
 
 %changelog
+* Sun Sep 28 2025 jchzhou <zhoujiacheng@iscas.ac.cn> - 2.4.8-3
+- add a workaround for building issues with newer compilers
+
 * Thu Aug 21 2025 yixiangzhike <yixiangzhike007@163.com> - 2.4.8-2
 - fix read buffer over-read in uncompress_ecc_q_in_canon_sexp