diff --git a/pkgs/development/libraries/aqbanking/default.nix b/pkgs/development/libraries/aqbanking/default.nix
index 2db69f8028c4..102703107c48 100644
--- a/pkgs/development/libraries/aqbanking/default.nix
+++ b/pkgs/development/libraries/aqbanking/default.nix
@@ -3,14 +3,14 @@
 }:
 
 let
-  inherit ((import ./sources.nix).aqbanking) sha256 releaseId version;
+  inherit ((import ./sources.nix).aqbanking) hash releaseId version;
 in stdenv.mkDerivation rec {
   pname = "aqbanking";
   inherit version;
 
   src = fetchurl {
     url = "https://www.aquamaniac.de/rdm/attachments/download/${releaseId}/${pname}-${version}.tar.gz";
-    inherit sha256;
+    inherit hash;
   };
 
   # Set the include dir explicitly, this fixes a build error when building
diff --git a/pkgs/development/libraries/aqbanking/sources.nix b/pkgs/development/libraries/aqbanking/sources.nix
index 60f61324e650..615071b2574c 100644
--- a/pkgs/development/libraries/aqbanking/sources.nix
+++ b/pkgs/development/libraries/aqbanking/sources.nix
@@ -5,7 +5,11 @@
   libchipcard.version = "5.0.4";
   libchipcard.sha256 = "0fj2h39ll4kiv28ch8qgzdbdbnzs8gl812qnm660bw89rynpjnnj";
   libchipcard.releaseId = "158";
-  aqbanking.version = "6.3.0";
-  aqbanking.sha256 = "1k2mhdnk0jc0inq1hmp74m3y7azxrjm8r07x5k1pp4ic0yi5vs50";
-  aqbanking.releaseId = "372";
+
+  # https://www.aquamaniac.de/rdm/projects/aqbanking/files
+  aqbanking = {
+    version = "6.5.0";
+    hash = "sha256-TS076ghulq2ntoGSBtTrQWjOt+Mtzppo3Gxuq8yetj4=";
+    releaseId = "435";
+  };
 }