diff --git a/pkgs/applications/networking/modem-manager-gui/default.nix b/pkgs/applications/networking/modem-manager-gui/default.nix
index 38662bf7f69..1709db3bf03 100644
--- a/pkgs/applications/networking/modem-manager-gui/default.nix
+++ b/pkgs/applications/networking/modem-manager-gui/default.nix
@@ -1,8 +1,7 @@
 { stdenv
 , pkgconfig
 , python3
-, fetchhg
-, fetchpatch
+, fetchFromGitLab
 , gtk3
 , glib
 , gdbm
@@ -18,12 +17,14 @@
 
 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 = [