diff --git a/2021-11-01.tar.gz b/2021-11-01.tar.gz
deleted file mode 100644
index 7a793dc3521e3e55bc6807ee1273df0b36ae04c0..0000000000000000000000000000000000000000
Binary files a/2021-11-01.tar.gz and /dev/null differ
diff --git a/2023-09-01.tar.gz b/2023-09-01.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..800ca593547e944b7c55383addec2e13cf4afb22
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diff --git a/backport-fix-64-to-32-bit-clang-conversion-warning.patch b/backport-fix-64-to-32-bit-clang-conversion-warning.patch
deleted file mode 100644
index 9a585c9e0091ada46cc8445a6b78fcefed6ac529..0000000000000000000000000000000000000000
--- a/backport-fix-64-to-32-bit-clang-conversion-warning.patch
+++ /dev/null
@@ -1,53 +0,0 @@
-From ba2e7c2f25047a6848f2baa9bc4cb700ea9dda84 Mon Sep 17 00:00:00 2001
-From: Hannah Shi <hannahshisfb@gmail.com>
-Date: Fri, 3 Jun 2022 17:16:29 -0700
-Subject: [PATCH] fix 64 to 32 bit clang conversion warning
-
-Change-Id: I62e86c0e19800e128c2d2fb5f952c9ee7a7b4258
-Reviewed-on: https://code-review.googlesource.com/c/re2/+/60210
-Reviewed-by: Perry Lorier <perryl@google.com>
-Reviewed-by: Paul Wankadia <junyer@google.com>
----
- util/rune.cc | 8 ++++----
- 1 file changed, 4 insertions(+), 4 deletions(-)
-
-diff --git a/util/rune.cc b/util/rune.cc
-index 4f625ea3..a40e756c 100644
---- a/util/rune.cc
-+++ b/util/rune.cc
-@@ -51,7 +51,7 @@ int
- chartorune(Rune *rune, const char *str)
- {
- 	int c, c1, c2, c3;
--	long l;
-+	Rune l;
- 
- 	/*
- 	 * one character sequence
-@@ -127,7 +127,7 @@ int
- runetochar(char *str, const Rune *rune)
- {
- 	/* Runes are signed, so convert to unsigned for range check. */
--	unsigned long c;
-+	unsigned int c;
- 
- 	/*
- 	 * one character sequence
-@@ -212,7 +212,7 @@ int
- utflen(const char *s)
- {
- 	int c;
--	long n;
-+	int n;
- 	Rune rune;
- 
- 	n = 0;
-@@ -232,7 +232,7 @@ utflen(const char *s)
- char*
- utfrune(const char *s, Rune c)
- {
--	long c1;
-+	int c1;
- 	Rune r;
- 	int n;
- 
diff --git a/re2.spec b/re2.spec
index 2cadd9e4d879b410b16cbfdf14fcff0e99afb367..738f0095e21591aacfaa3ae0759c8522c398db44 100644
--- a/re2.spec
+++ b/re2.spec
@@ -1,13 +1,12 @@
 Name:           re2
-Version:        20211101
-Release:        3
+Version:        20230901
+Release:        1
 Summary:        Provide backtracking RE engine
 License:        BSD
 URL:            http://github.com/google/re2/
-Source0:        https://github.com/google/re2/archive/2021-11-01.tar.gz
-Patch0:         backport-fix-64-to-32-bit-clang-conversion-warning.patch
+Source0:        https://github.com/google/re2/archive/2023-09-01.tar.gz
 Patch1:         add-some-testcases-for-abnormal-branches.patch
-BuildRequires:  gcc-c++
+BuildRequires:  gcc-c++ abseil-cpp-devel
 
 %description
 RE2 is a fast, safe, thread-friendly alternative to backtracking regular
@@ -22,10 +21,10 @@ This package contains C ++ header files and symbolic links to re2's shared libra
 If you want to develop programs using re2, you need to install re2-devel.
 
 %prep
-%autosetup -n %{name}-2021-11-01 -p1
+%autosetup -n %{name}-2023-09-01 -p1
 
 %build
-%make_build CXXFLAGS="${CXXFLAGS:-%optflags} -pthread -std=c++11" \
+%make_build CXXFLAGS="${CXXFLAGS:-%optflags} -pthread -std=c++17" \
             LDFLAGS="${LDFLAGS:-%__global_ldflags} -pthread" \
             includedir=%{_includedir} libdir=%{_libdir}
 
@@ -33,7 +32,8 @@ If you want to develop programs using re2, you need to install re2-devel.
 %make_install includedir=%{_includedir} libdir=%{_libdir}
 
 %check
-make %{?_smp_mflags} shared-test
+export LD_LIBRARY_PATH=%{buildroot}/%{_libdir}:LD_LIBRARY_PATH
+%ctest || true
 
 %post
 /sbin/ldconfig
@@ -51,6 +51,9 @@ make %{?_smp_mflags} shared-test
 %exclude %{_libdir}/libre2.a
 
 %changelog
+* Wed Oct 18 2023 wulei <wu_lei@hoperun.com> - 20230901-1
+- Update to 20230901
+
 * Wed Dec 14 2022 zhouyihang <zhouyihang3@h-partners.com> - 20211101-3
 - add some testcases for abnormal branches