diff --git a/pkgs/by-name/ir/irpf/package.nix b/pkgs/by-name/ir/irpf/package.nix
index 5ff38625381c..9b8d5610f091 100644
--- a/pkgs/by-name/ir/irpf/package.nix
+++ b/pkgs/by-name/ir/irpf/package.nix
@@ -17,7 +17,7 @@ let
 in
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "irpf";
-  version = "2026-1.0";
+  version = "2026-1.1";
 
   # https://www.gov.br/receitafederal/pt-br/centrais-de-conteudo/download/pgd/dirpf
   # Para outros sistemas operacionais -> Multi
@@ -27,7 +27,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     in
     fetchzip {
       url = "https://downloadirpf.receita.fazenda.gov.br/irpf/${year}/irpf/arquivos/IRPF${finalAttrs.version}.zip";
-      hash = "sha256-hePdoDbFPOMjdSzsJqZWyFhHX138bMuocwCNpdOEkKA=";
+      hash = "sha256-/UB8mWB3yaT+mDa3mqGm2ULqDdNcmQu+cHKNdKQa/ug=";
     };
 
   nativeBuildInputs = [