diff --git a/pkgs/development/python-modules/pygmars/default.nix b/pkgs/development/python-modules/pygmars/default.nix
index 7d250017b5d8..0418e9568904 100644
--- a/pkgs/development/python-modules/pygmars/default.nix
+++ b/pkgs/development/python-modules/pygmars/default.nix
@@ -9,7 +9,7 @@
 
 buildPythonPackage rec {
   pname = "pygmars";
-  version = "0.8.0";
+  version = "0.8.1";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
@@ -18,7 +18,7 @@ buildPythonPackage rec {
     owner = "nexB";
     repo = pname;
     rev = "refs/tags/v${version}";
-    hash = "sha256-PiH1lV1Vt9VTSOB+jep8FHIdk8qnauxj4nP3CIi/m7o=";
+    hash = "sha256-RwAZ1ZLh0zgGshSv7LleBHMotKapDFtD69ptqQnr0EA=";
   };
 
   postPatch = ''