diff --git a/pkgs/development/python-modules/pyocd/default.nix b/pkgs/development/python-modules/pyocd/default.nix
index bb10f1881118..4f5591e615c3 100644
--- a/pkgs/development/python-modules/pyocd/default.nix
+++ b/pkgs/development/python-modules/pyocd/default.nix
@@ -1,7 +1,7 @@
 {
   lib,
   buildPythonPackage,
-  fetchPypi,
+  fetchFromGitHub,
   fetchpatch,
   capstone_4,
   cmsis-pack-manager,
@@ -29,9 +29,11 @@ buildPythonPackage rec {
   version = "0.36.0";
   pyproject = true;
 
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-k3eCrMna/wVNUPt8b3iM2UqE+A8LhfJarKuZ3Jgihkg=";
+  src = fetchFromGitHub {
+    owner = "pyocd";
+    repo = "pyOCD";
+    tag = "v${version}";
+    hash = "sha256-CSdVWDiSe+xd0MzD9tsKs3DklNjnhchYFuI3Udi0O20=";
   };
 
   patches = [