diff --git a/pkgs/development/libraries/gsignond/plugins/mail.nix b/pkgs/development/libraries/gsignond/plugins/mail.nix
index 763e76c9cc9..f0cc27105a1 100644
--- a/pkgs/development/libraries/gsignond/plugins/mail.nix
+++ b/pkgs/development/libraries/gsignond/plugins/mail.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchFromGitLab, pkgconfig, meson, ninja, vala, glib, gsignond, gobjectIntrospection }:
 
 stdenv.mkDerivation rec {
-  name = "gsignond-plugin-mail-${version}";
-  version = "2018-10-04";
+  pname = "gsignond-plugin-mail";
+  version = "0.3.0";
 
   src = fetchFromGitLab {
     owner = "accounts-sso";
     repo = "gsignond-plugin-mail";
-    rev = "fbc6f34b246fec4ad2b37c696f8de7fdb9bde346";
-    sha256 = "1wvwz7qiwvj8iixprip3qd8lplzfnwcjfrbg2vd8xfsvid2zbviw";
+    rev = version;
+    sha256 = "0x8jcl0ra9kacm80f1im5wpxp9r9wxayjwnk6dkv7fhjbl2p4nh0";
   };
 
   nativeBuildInputs = [