diff --git a/nixos/modules/config/qt5.nix b/nixos/modules/config/qt5.nix
index 542a96ba6b06..fe7efa2eea19 100644
--- a/nixos/modules/config/qt5.nix
+++ b/nixos/modules/config/qt5.nix
@@ -9,10 +9,12 @@ let
   isQGnome = cfg.platformTheme == "gnome" && builtins.elem cfg.style ["adwaita" "adwaita-dark"];
   isQtStyle = cfg.platformTheme == "gtk2" && !(builtins.elem cfg.style ["adwaita" "adwaita-dark"]);
   isQt5ct = cfg.platformTheme == "qt5ct";
+  isLxqt = cfg.platformTheme == "lxqt";
 
   packages = if isQGnome then [ pkgs.qgnomeplatform pkgs.adwaita-qt ]
     else if isQtStyle then [ pkgs.libsForQt5.qtstyleplugins ]
     else if isQt5ct then [ pkgs.libsForQt5.qt5ct ]
+    else if isLxqt then [ pkgs.lxqt.lxqt-qtplugin pkgs.lxqt.lxqt-config ]
     else throw "`qt5.platformTheme` ${cfg.platformTheme} and `qt5.style` ${cfg.style} are not compatible.";
 
 in
@@ -29,6 +31,7 @@ in
         type = types.enum [
           "gtk2"
           "gnome"
+          "lxqt"
           "qt5ct"
         ];
         example = "gnome";
@@ -36,6 +39,7 @@ in
           "qgnomeplatform"
           ["libsForQt5" "qtstyleplugins"]
           ["libsForQt5" "qt5ct"]
+          ["lxqt" "lxqt-qtplugin"]
         ];
         description = ''
           Selects the platform theme to use for Qt5 applications.</para>
@@ -53,6 +57,13 @@ in
                 <link xlink:href="https://github.com/FedoraQt/QGnomePlatform">qgnomeplatform</link>
               </para></listitem>
             </varlistentry>
+            <varlistentry>
+              <term><literal>lxqt</literal></term>
+              <listitem><para>Use LXQt style set using the
+                <link xlink:href="https://github.com/lxqt/lxqt-config">lxqt-config-appearance</link>
+                application.
+              </para></listitem>
+            </varlistentry>
             <varlistentry>
               <term><literal>qt5ct</literal></term>
               <listitem><para>Use Qt style set using the
@@ -108,7 +119,7 @@ in
 
     environment.variables.QT_QPA_PLATFORMTHEME = cfg.platformTheme;
 
-    environment.variables.QT_STYLE_OVERRIDE = mkIf (! isQt5ct) cfg.style;
+    environment.variables.QT_STYLE_OVERRIDE = mkIf (! (isQt5ct || isLxqt)) cfg.style;
 
     environment.systemPackages = packages;
 
diff --git a/pkgs/applications/version-management/pijul/default.nix b/pkgs/applications/version-management/pijul/default.nix
index f4fa942a4843..1841e4ffe224 100644
--- a/pkgs/applications/version-management/pijul/default.nix
+++ b/pkgs/applications/version-management/pijul/default.nix
@@ -13,14 +13,14 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "pijul";
-  version = "1.0.0-beta.1";
+  version = "1.0.0-beta.2";
 
   src = fetchCrate {
     inherit version pname;
-    sha256 = "sha256-XdbZFWtHKXjcGV1vYn7MYdevW+Vc/IKON1DOU49Kzlo=";
+    sha256 = "sha256-78nzCOR+AZuiAA1OpKKW4kfdUnlN8+qVaO3dknMck58=";
   };
 
-  cargoSha256 = "sha256-9kPeJ0tOhA4oqFOdwGDkXMnNViklMlNO7VbbWXYrk3I=";
+  cargoSha256 = "sha256-IhjN0HjIIuP+P8yfZ3NmZpVZBAuetOr4OVZoI8Qfspo=";
 
   doCheck = false;
   nativeBuildInputs = [ pkg-config ];
diff --git a/pkgs/development/libraries/arb/default.nix b/pkgs/development/libraries/arb/default.nix
index dc160c37ad23..2ab8339b00a7 100644
--- a/pkgs/development/libraries/arb/default.nix
+++ b/pkgs/development/libraries/arb/default.nix
@@ -9,13 +9,13 @@
 
 stdenv.mkDerivation rec {
   pname = "arb";
-  version = "2.22.1";
+  version = "2.23.0";
 
   src = fetchFromGitHub {
     owner = "fredrik-johansson";
     repo = pname;
     rev = version;
-    sha256 = "sha256-Xd3dy7zr4i3pULLFOYtedpS5Yj9Ljwyu6r4kfhRynmE=";
+    sha256 = "sha256-dt9PZ3Xfn60rhmnxYo7CEzNTEUN/wMVAXe8U5PzUO9U=";
   };
 
   buildInputs = [ mpir gmp mpfr flint ];