diff --git a/pkgs/by-name/sv/svt-av1-psy/package.nix b/pkgs/by-name/sv/svt-av1-psy/package.nix
index df45ea1734cc..1998235bd732 100644
--- a/pkgs/by-name/sv/svt-av1-psy/package.nix
+++ b/pkgs/by-name/sv/svt-av1-psy/package.nix
@@ -9,13 +9,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "svt-av1-psy";
-  version = "2.2.1";
+  version = "2.2.1-A";
 
   src = fetchFromGitHub {
     owner = "gianni-rosato";
     repo = "svt-av1-psy";
     rev = "refs/tags/v${finalAttrs.version}";
-    hash = "sha256-4ds7yrUMp0O5/aWOkdnrANR1D3djajU/0ZeY6xJnpHI=";
+    hash = "sha256-oCs8ZSfiqmAv2go6fa51l/Kt2pb1qdvuHtACRT2xGrw=";
   };
 
   cmakeBuildType = "Release";