diff --git a/.gitignore b/.gitignore
index 97b3028..039daf2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -74,11 +74,3 @@ results_*/
 /fcitx5-5.1.11_dict.tar.zst.sig
 /fcitx5-5.1.12_dict.tar.zst
 /fcitx5-5.1.12_dict.tar.zst.sig
-/fcitx5-5.1.13_dict.tar.zst
-/fcitx5-5.1.13_dict.tar.zst.sig
-/fcitx5-5.1.15_dict.tar.zst
-/fcitx5-5.1.15_dict.tar.zst.sig
-/fcitx5-5.1.16_dict.tar.zst
-/fcitx5-5.1.16_dict.tar.zst.sig
-/fcitx5-5.1.17_dict.tar.zst
-/fcitx5-5.1.17_dict.tar.zst.sig
diff --git a/fcitx5.spec b/fcitx5.spec
index f0e1557..387c919 100644
--- a/fcitx5.spec
+++ b/fcitx5.spec
@@ -2,7 +2,7 @@
 %global __provides_exclude_from ^%{_libdir}/%{name}/.*\\.so$
 
 Name:           fcitx5
-Version:        5.1.17
+Version:        5.1.12
 Release:        %autorelease
 Summary:        Next generation of fcitx
 # Automatically converted from old format: LGPLv2+ - review is highly recommended.
@@ -46,7 +46,6 @@ BuildRequires:  pkgconfig(xcb-icccm)
 BuildRequires:  pkgconfig(xcb-keysyms)
 BuildRequires:  pkgconfig(xkeyboard-config)
 BuildRequires:  /usr/bin/appstream-util
-BuildRequires:  cmake(nlohmann_json)
 Requires:       dbus-common
 Requires:       %{name}-data = %{version}-%{release}
 Requires:       %{name}-libs%{?_isa} = %{version}-%{release}
@@ -102,7 +101,7 @@ This package will setup autostart and environment needed for fcitx5 to work prop
 
 %build
 %cmake -GNinja
-%cmake_build
+%cmake_build 
 
 %install
 %cmake_install
@@ -113,7 +112,7 @@ install -d                %{buildroot}%{_datadir}/%{name}/table
 desktop-file-install --delete-original \
   --dir %{buildroot}%{_datadir}/applications \
   %{buildroot}%{_datadir}/applications/%{name}-configtool.desktop
-
+ 
 desktop-file-install --delete-original \
   --dir %{buildroot}%{_datadir}/applications \
   %{buildroot}%{_datadir}/applications/org.fcitx.Fcitx5.desktop
@@ -121,7 +120,7 @@ desktop-file-install --delete-original \
 desktop-file-install --delete-original \
   --dir %{buildroot}%{_datadir}/applications \
   %{buildroot}%{_datadir}/applications/%{name}-wayland-launcher.desktop
-
+  
 # convert symlinked icons to copied icons, this will help co-existing with
 # fcitx4
 for iconfile in $(find %{buildroot}%{_datadir}/icons -type l)
@@ -129,7 +128,7 @@ do
   origicon=$(readlink -f ${iconfile})
   rm -f ${iconfile}
   cp ${origicon} ${iconfile}
-done
+done 
 appstream-util validate-relax --nonet %{buildroot}%{_metainfodir}/*.metainfo.xml
 %find_lang %{name}
 
@@ -148,7 +147,7 @@ fi
 
 %files -f %{name}.lang
 %license LICENSES/LGPL-2.1-or-later.txt
-%doc README.md
+%doc README.md 
 %config %{_xinputconf}
 %{_bindir}/%{name}
 %{_bindir}/%{name}-configtool
diff --git a/sources b/sources
index 654c39a..008f4a0 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (fcitx5-5.1.17_dict.tar.zst) = fe3f13d7615ae823b0746bd731d0eac4df90b216c22c186c4f63ab71c0450f38adfa558e906a5493bb5eab873bffea913477c8dcb2ba7055668305cf995e235f
-SHA512 (fcitx5-5.1.17_dict.tar.zst.sig) = ea98a9ebaf3d77043b461bf8a6691c57e28d7149d19dcd9c54bc0e4923fd176c6435185a65960cdfdb47c0129983c027b31a3bbdb515c1226fb7240c5600a781
+SHA512 (fcitx5-5.1.12_dict.tar.zst) = 82943f6c2e809e8d9049d457f59e52bc202daf922abec032efc589eefad77b4db4398fbaea92c019eaeaa40ccf51585a8a80676a7909433a8576dc63fb639645
+SHA512 (fcitx5-5.1.12_dict.tar.zst.sig) = 87ba7c9c13b74a5471536ab9eca575868ef4dd74faa549f2c5977b5d265e74144054f8567204afa061c7c4b856ea369a9656b750f22ebd0e83b060df9c9eca15