diff --git a/pkgs/development/python-modules/pygmars/default.nix b/pkgs/development/python-modules/pygmars/default.nix
index 63b4eadd51c8..e186cd99d98d 100644
--- a/pkgs/development/python-modules/pygmars/default.nix
+++ b/pkgs/development/python-modules/pygmars/default.nix
@@ -20,6 +20,14 @@ buildPythonPackage rec {
     hash = "sha256-PiH1lV1Vt9VTSOB+jep8FHIdk8qnauxj4nP3CIi/m7o=";
   };
 
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  postPatch = ''
+    # https://github.com/nexB/pygmars/pull/9
+    substituteInPlace setup.cfg \
+      --replace ">=3.6.*" ">=3.6"
+  '';
+
   dontConfigure = true;
 
   nativeBuildInputs = [