diff --git a/pkgs/development/python-modules/atom/default.nix b/pkgs/development/python-modules/atom/default.nix
index 4b6ef50c8c2..fdaebda089f 100644
--- a/pkgs/development/python-modules/atom/default.nix
+++ b/pkgs/development/python-modules/atom/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "atom";
-  version = "0.4.2";
+  version = "0.4.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "5b1c15599681398e343fcfcf2c00d26071964f5305a403fc590c45388bacdf16";
+    sha256 = "ce96fb50326a3bfa084463dbde1cf2e02c92735e5bc324d836355c25af87e0ae";
   };
 
   propagatedBuildInputs = [ future ];