diff --git a/libjpeg-turbo-3.1.0.tar.gz b/libjpeg-turbo-3.1.0.tar.gz
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diff --git a/libjpeg-turbo-3.1.2.tar.gz b/libjpeg-turbo-3.1.2.tar.gz
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diff --git a/libjpeg-turbo.spec b/libjpeg-turbo.spec
index 51bbde8a16d249681327b97a99473e4d9576c8b1..7a473c88249f64f28c5a24ae69f0ac794a20b0bd 100644
--- a/libjpeg-turbo.spec
+++ b/libjpeg-turbo.spec
@@ -1,6 +1,6 @@
 Name:           libjpeg-turbo
-Version:        3.1.0
-Release:        2%{?dist}
+Version:        3.1.2
+Release:        1
 Summary:        MMX/SSE2/SIMD accelerated libjpeg-compatible JPEG codec library
 License:        IJG
 URL:            https://libjpeg-turbo.org/
@@ -18,21 +18,17 @@ to accelerate baseline JPEG compression and decompression on x86, x86-64, and AR
 
 %package        devel
 Summary:        Development files for the libjpeg-turbo library
-Requires:       libjpeg-turbo = %{version}-%{release}
-Provides:       libjpeg-turbo-static = 1.3.1
+Requires:       libjpeg-turbo%{_isa} = %{version}-%{release}
 Obsoletes:      libjpeg-turbo-static < 1.3.1
 Provides:       libjpeg-devel = %{version}-%{release}
 Obsoletes:      libjpeg-devel < %{version}-%{release}
 
-
 %description devel
 Development files for the libjpeg-turbo library.
 
 %package utils
 Summary:        Utilities for manipulating JPEG images
 Requires:       libjpeg-turbo%{?_isa} = %{version}-%{release}
-Provides:       libjpeg-turbo-utils = %{version}-%{release}
-Obsoletes:      libjpeg-turbo-utils < %{version}-%{release}
  
 %description utils
 The libjpeg-turbo-utils package contains simple client programs for accessing
@@ -46,6 +42,7 @@ JPEG file. Wrjpgcom inserts text comments into a JPEG file.
 Summary:        TurboJPEG library
 Provides:       turbojpeg = %{version}-%{release}
 Obsoletes:      turbojpeg < %{version}-%{release}
+Conflicts:      libjpeg-turbo < 3.1.0-2
  
 %description -n turbojpeg
 The turbojpeg package contains the TurboJPEG shared library.
@@ -53,8 +50,7 @@ The turbojpeg package contains the TurboJPEG shared library.
 %package -n turbojpeg-devel
 Summary:        Headers for the TurboJPEG library
 Requires:       turbojpeg%{?_isa} = %{version}-%{release}
-Provides:       turbojpeg-devel = %{version}-%{release}
-Obsoletes:      turbojpeg-devel < %{version}-%{release}
+Conflicts:      libjpeg-turbo-devel < 3.1.0-2
  
 %description -n turbojpeg-devel
 This package contains header files necessary for developing programs which will
@@ -149,6 +145,10 @@ export LD_LIBRARY_PATH=%{buildroot}%{_libdir}
 %{_mandir}/man1/*.1*
 
 %changelog
+* Tue Sep 09 2025 Funda Wang <fundawang@yeah.net> - 3.1.2-1
+- update to 3.1.2
+- drop redundant provides and obsoletes for names same with package name
+
 * Tue Sep 2 2025 Wenyu Zhu <iewyzhu@163.com> - 3.1.0-2
 - fix Provides and Obsoletes definition to avoid turbojpeg dependency issue