diff --git a/pkgs/desktops/pantheon/libraries/granite/7/default.nix b/pkgs/desktops/pantheon/libraries/granite/7/default.nix
index 21aea0b9606d..1b108ee631c4 100644
--- a/pkgs/desktops/pantheon/libraries/granite/7/default.nix
+++ b/pkgs/desktops/pantheon/libraries/granite/7/default.nix
@@ -20,7 +20,7 @@
 
 stdenv.mkDerivation rec {
   pname = "granite";
-  version = "7.7.0";
+  version = "7.8.0";
 
   outputs = [
     "out"
@@ -30,8 +30,8 @@ stdenv.mkDerivation rec {
   src = fetchFromGitHub {
     owner = "elementary";
     repo = "granite";
-    rev = version;
-    sha256 = "sha256-ypSkzz9BaVweR1C0OkkfwDl8tehMK1S5iExL14LuKmI=";
+    tag = version;
+    hash = "sha256-UEbe/vAXbd1W7EA1s5qvn8dM9/3CTIyLGMPXzEFu7qM=";
   };
 
   nativeBuildInputs = [