diff --git a/pkgs/tools/networking/openconnect/default.nix b/pkgs/tools/networking/openconnect/default.nix
index d81fe2ef67b2..0e465f4f109f 100644
--- a/pkgs/tools/networking/openconnect/default.nix
+++ b/pkgs/tools/networking/openconnect/default.nix
@@ -1,16 +1,18 @@
 {
   callPackage,
-  fetchurl,
+  fetchFromGitLab,
 }:
 let
   common = opts: callPackage (import ./common.nix opts) { };
 in
 rec {
-  openconnect = common rec {
-    version = "9.12";
-    src = fetchurl {
-      url = "ftp://ftp.infradead.org/pub/openconnect/openconnect-${version}.tar.gz";
-      sha256 = "sha256-or7c46pN/nXjbkB+SOjovJHUbe9TNayVZPv5G9SyQT4=";
+  openconnect = common {
+    version = "9.12-unstable-2025-01-14";
+    src = fetchFromGitLab {
+      owner = "openconnect";
+      repo = "openconnect";
+      rev = "f17fe20d337b400b476a73326de642a9f63b59c8";
+      hash = "sha256-OBEojqOf7cmGtDa9ToPaJUHrmBhq19/CyZ5agbP7WUw=";
     };
   };