diff --git a/pkgs/development/python-modules/dataclasses/default.nix b/pkgs/development/python-modules/dataclasses/default.nix
index a1159d49b812..5cfaf237059d 100644
--- a/pkgs/development/python-modules/dataclasses/default.nix
+++ b/pkgs/development/python-modules/dataclasses/default.nix
@@ -2,14 +2,14 @@
 
 buildPythonPackage rec {
   pname = "dataclasses";
-  version = "0.7";
+  version = "0.8";
 
   # backport only works on Python 3.6, and is in the standard library in Python 3.7
   disabled = !isPy36;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "494a6dcae3b8bcf80848eea2ef64c0cc5cd307ffc263e17cdf42f3e5420808e6";
+    sha256 = "8479067f342acf957dc82ec415d355ab5edb7e7646b90dc6e2fd1d96ad084c97";
   };
 
   meta = with stdenv.lib; {