diff --git a/pkgs/applications/editors/atom/default.nix b/pkgs/applications/editors/atom/default.nix
index c32ab32e9e9..fc2f9265ed6 100644
--- a/pkgs/applications/editors/atom/default.nix
+++ b/pkgs/applications/editors/atom/default.nix
@@ -16,11 +16,11 @@ let
   };
 in stdenv.mkDerivation rec {
   name = "atom-${version}";
-  version = "1.0.10";
+  version = "1.0.0";
 
   src = fetchurl {
     url = "https://github.com/atom/atom/releases/download/v${version}/atom-amd64.deb";
-    sha256 = "16rbp76c46n24a9a3cygg94bx6y7j038h34w4qr7j24aiy5bfzwv";
+    sha256 = "434be52726fed9804ddb8c07dba200d774d145d0a870d2a013b5f95eb882fa7e";
     name = "${name}.deb";
   };