diff --git a/pkgs/applications/networking/modem-manager-gui/default.nix b/pkgs/applications/networking/modem-manager-gui/default.nix
index 38662bf7f699..64b1be363f34 100644
--- a/pkgs/applications/networking/modem-manager-gui/default.nix
+++ b/pkgs/applications/networking/modem-manager-gui/default.nix
@@ -1,15 +1,14 @@
 { stdenv
 , pkgconfig
 , python3
-, fetchhg
-, fetchpatch
+, fetchFromGitLab
 , gtk3
 , glib
 , gdbm
 , gtkspell3
 , ofono
 , itstool
-, libappindicator-gtk3
+, libayatana-appindicator-gtk3
 , perlPackages
 , glibcLocales
 , meson
@@ -18,22 +17,16 @@
 
 stdenv.mkDerivation rec {
   pname = "modem-manager-gui";
-  version = "0.0.19.1";
+  version = "0.0.20";
 
-  src = fetchhg {
-    url = "https://linuxonly@bitbucket.org/linuxonly/modem-manager-gui";
-    rev = "version ${version}";
-    sha256 = "11iibh36567814h2bz41sa1072b86p1l13xyj670pwkh9k8kw8fd";
+  src = fetchFromGitLab {
+    domain = "salsa.debian.org";
+    owner = "debian";
+    repo = "modem-manager-gui";
+    rev = "upstream%2F${version}";
+    sha256 = "1pjx4rbsxa7gcs628yjkwb0zqrm5xq8pkmp0cfk4flfk1ryflmgr";
   };
 
-  patches = [
-    # Fix docs build
-    (fetchpatch {
-      url = "https://bitbucket.org/linuxonly/modem-manager-gui/commits/68fb09c12413b7de9b7477cbf4241c3527568325/raw";
-      sha256 = "033nrlhjlk0zvadv5g9n2id53ajagswf77mda0ixnrskyi7wiig7";
-    })
-  ];
-
   nativeBuildInputs = [
     pkgconfig
     python3
@@ -49,7 +42,7 @@ stdenv.mkDerivation rec {
     gdbm
     gtkspell3
     ofono
-    libappindicator-gtk3
+    libayatana-appindicator-gtk3
   ];
 
   postPatch = ''
@@ -66,7 +59,7 @@ stdenv.mkDerivation rec {
     '';
     homepage = "https://linuxonly.ru/page/modem-manager-gui";
     license = licenses.gpl3;
-    maintainers = with maintainers; [ ahuzik ];
+    maintainers = with maintainers; [ ahuzik galagora ];
     platforms = platforms.linux;
   };
 }