diff --git a/pkgs/applications/science/math/qalculate-gtk/default.nix b/pkgs/applications/science/math/qalculate-gtk/default.nix
index bc192fe4218b..ab5e54dab777 100644
--- a/pkgs/applications/science/math/qalculate-gtk/default.nix
+++ b/pkgs/applications/science/math/qalculate-gtk/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "qalculate-gtk";
-  version = "3.20.1";
+  version = "3.21.0";
 
   src = fetchFromGitHub {
     owner = "qalculate";
     repo = "qalculate-gtk";
     rev = "v${version}";
-    sha256 = "sha256-GTOdJ4dxR491WU6WM47xLHO7RGUGXkdHuQIDxJvVvFE=";
+    sha256 = "sha256-w0frk1Nd1/HTo94VAbD7QjVuT8laPbmgd8ENTb0+89c=";
   };
 
   hardeningDisable = [ "format" ];
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "The ultimate desktop calculator";
     homepage = "http://qalculate.github.io";
-    maintainers = with maintainers; [ gebner ];
+    maintainers = with maintainers; [ gebner doronbehar ];
     license = licenses.gpl2Plus;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/libqalculate/default.nix b/pkgs/development/libraries/libqalculate/default.nix
index c7253364fd0c..a148807b80c6 100644
--- a/pkgs/development/libraries/libqalculate/default.nix
+++ b/pkgs/development/libraries/libqalculate/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "An advanced calculator library";
     homepage = "http://qalculate.github.io";
-    maintainers = with maintainers; [ gebner ];
+    maintainers = with maintainers; [ gebner doronbehar ];
     license = licenses.gpl2Plus;
     platforms = platforms.all;
   };