diff --git a/kdecoration-5.18.5.tar.xz b/kdecoration-5.18.5.tar.xz
new file mode 100644
index 0000000..7adf5d0
Binary files /dev/null and b/kdecoration-5.18.5.tar.xz differ
diff --git a/kdecoration-5.23.3.tar.xz b/kdecoration-5.23.3.tar.xz
deleted file mode 100644
index f1df826..0000000
Binary files a/kdecoration-5.23.3.tar.xz and /dev/null differ
diff --git a/kdecoration.spec b/kdecoration.spec
index 152b66c..7e9c461 100644
--- a/kdecoration.spec
+++ b/kdecoration.spec
@@ -1,4 +1,4 @@
-%undefine __cmake_in_source_build
+
 # uncomment to enable bootstrap mode
 #global bootstrap 1
 
@@ -11,7 +11,7 @@
 
 Name:           kdecoration
 Summary:        A plugin-based library to create window decorations
-Version:        5.23.3
+Version:        5.18.5
 Release:        1
 
 License:        LGPLv2
@@ -37,7 +37,6 @@ BuildRequires: xorg-x11-server-Xvfb
 # For AutoReq cmake-filesystem
 BuildRequires: cmake
 BuildRequires: cmake(KF5I18n)
-BuildRequires: make
 
 Requires:       kf5-filesystem
 
@@ -86,7 +85,7 @@ make test ARGS="--output-on-failure --timeout 20" -C %{_target_platform} ||:
 %ldconfig_scriptlets
 
 %files
-%license LICENSES/*.txt
+%license COPYING.LIB
 %{_kf5_libdir}/libkdecorations2.so.*
 %{_kf5_libdir}/libkdecorations2private.so.*
 %{_datadir}/locale/*/LC_MESSAGES/kdecoration.mo
@@ -101,6 +100,9 @@ make test ARGS="--output-on-failure --timeout 20" -C %{_target_platform} ||:
 
 
 %changelog
+* Fri Jan 28 2022 pei-jiankang<peijiankang@kylinos.com> - 5.18.5-1
+- revert to upstream version 5.18.5
+
 * Tue Jan 18 2022 pei-jiankang<peijiankang@kylinos.com> - 5.23.3-1
 - update to upstream version 5.23.3