diff --git a/gcc.spec b/gcc.spec
index 80dddce46da9189636400d49dbbc24032305d456..e716b4a5f745adacdcb49562718db5c870cb4bc7 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -2,7 +2,7 @@
 %global gcc_major 12
 # Note, gcc_release must be integer, if you want to add suffixes to
 # %%{release}, append them after %%{gcc_release} on Release: line.
-%global gcc_release 65
+%global gcc_release 66
 
 %global _unpackaged_files_terminate_build 0
 %global _performance_build 1
@@ -2033,7 +2033,7 @@ CC="$CC" CXX="$CXX" \
 	CFLAGS_FOR_TARGET="$OPT_FLAGS" \
 	CXXFLAGS_FOR_TARGET="$OPT_FLAGS" \
 	XCFLAGS="$OPT_FLAGS" TCFLAGS="$OPT_FLAGS" GCJFLAGS="$OPT_FLAGS" \
-	../configure --disable-bootstrap --disable-libgcj --without-cloog\
+	../configure --disable-libgcj --without-cloog\
 	--enable-languages=c,c++,fortran${enablelobjc}${enablelada}${enablelgo}${enableld},lto \
 	$CONFIGURE_OPTS
 
@@ -2058,7 +2058,7 @@ CC="$CC" CXX="$CXX" \
 	CFLAGS_FOR_TARGET="$OPT_FLAGS" \
 	CXXFLAGS_FOR_TARGET="$OPT_FLAGS" \
 	XCFLAGS="$OPT_FLAGS" TCFLAGS="$OPT_FLAGS" GCJFLAGS="$OPT_FLAGS" \
-	../../configure --disable-bootstrap --enable-host-shared \
+	../../configure --enable-host-shared \
 	--enable-languages=jit $CONFIGURE_OPTS
 make %{?_smp_mflags} BOOT_CFLAGS="$OPT_FLAGS" all-gcc
 cp -a gcc/libgccjit.so* ../gcc/
@@ -4179,6 +4179,10 @@ end
 %doc rpm.doc/changelogs/libcc1/ChangeLog*
 
 %changelog
+* Wed Mar 12 2025 jchzhou <zhoujiacheng@iscas.ac.cn> - 12.3.1-66
+- Type:SPEC
+- DESC: re-enable bootstrap temporarily
+
 * Wed Mar 05 2025 jiangzhiying<jiangzhiying@smart-core.cn> - 12.3.1-65
 - Type:SPEC
 - DESC:Add patch about atomic for riscv64