diff --git a/pkgs/applications/editors/ed/default.nix b/pkgs/applications/editors/ed/default.nix
index e40143c409e8..716dad8dde78 100644
--- a/pkgs/applications/editors/ed/default.nix
+++ b/pkgs/applications/editors/ed/default.nix
@@ -1,10 +1,10 @@
 { fetchurl, stdenv }:
 
 stdenv.mkDerivation rec {
-  name = "ed-0.9";
+  name = "ed-1.0";
   src = fetchurl {
     url = "mirror://gnu/ed/${name}.tar.bz2";
-    sha256 = "1xy746g7ai9gmv6iq2x1ll8x6wy4fi9anfh7gj5ifsdnaiahgyi2";
+    sha256 = "0mwkbz6qy6hqbdk7hwl6271yjsm5nh1v70aynp51zncj0s0b2r7r";
   };
 
   meta = {