diff --git a/pkgs/development/embedded/wch-isp/default.nix b/pkgs/development/embedded/wch-isp/default.nix
index c577779772e5..3021c875f08b 100644
--- a/pkgs/development/embedded/wch-isp/default.nix
+++ b/pkgs/development/embedded/wch-isp/default.nix
@@ -1,14 +1,14 @@
-{ lib, stdenv, fetchFromGitHub, pkg-config, libusb1 }:
+{ lib, stdenv, fetchFromSourcehut, pkg-config, libusb1 }:
 
 stdenv.mkDerivation rec {
   pname = "wch-isp";
-  version = "0.4.0";
+  version = "0.4.1";
 
-  src = fetchFromGitHub {
-    owner = "jmaselbas";
+  src = fetchFromSourcehut {
+    owner = "~jmaselbas";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-cTePTpzvWf2DdInhBxFY72aVNb0SAlCHb/tUwNqqX1U=";
+    hash = "sha256-JB7cvZPzRhYJ8T3QJkguHOzZFrLOft5rRz0F0sVav/k=";
   };
 
   nativeBuildInputs = [ pkg-config ];
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     description = "Firmware programmer for WCH microcontrollers over USB";
     mainProgram = "wch-isp";
     license = lib.licenses.gpl2Only;
-    homepage = "https://github.com/jmaselbas/wch-isp";
+    homepage = "https://git.sr.ht/~jmaselbas/wch-isp";
     maintainers = with lib.maintainers; [ lesuisse ];
     platforms = lib.platforms.unix;
   };