diff --git a/packages/fints/src/client.ts b/packages/fints/src/client.ts
index d2528b8..5453227 100644
--- a/packages/fints/src/client.ts
+++ b/packages/fints/src/client.ts
@@ -121,7 +121,18 @@ export abstract class Client {
                 endDate,
             }),
         );
-        if (dialog.hktanVersion >= 6) {
+        if (dialog.hktanVersion >= 7) {
+            segments.push(
+                new HKTAN({
+                    segNo: 4,
+                    version: 7,
+                    process: "4",
+                    segmentReference: "HKKAZ",
+                    medium: "Alle Geräte",
+                }),
+            );
+        }
+        else if (dialog.hktanVersion >= 6) {
             segments.push(
                 new HKTAN({
                     segNo: 4,
@@ -154,11 +165,11 @@ export abstract class Client {
         segments.push(
             new HKTAN({
                 segNo: 3,
-                version: 6,
+                version: 7,
                 process: "2",
                 segmentReference: "HKKAZ",
                 aref: transactionReference,
-                medium: dialog.tanMethods[0].name,
+                medium: "Alle Geräte"
             }),
         );
         return await this.sendStatementRequest(dialog, segments, tan);
diff --git a/packages/fints/src/dialog.ts b/packages/fints/src/dialog.ts
index 4119a55..aa54c33 100644
--- a/packages/fints/src/dialog.ts
+++ b/packages/fints/src/dialog.ts
@@ -130,7 +130,10 @@ export class Dialog extends DialogConfig {
             new HKIDN({ segNo: 3, blz, name, systemId: "0" }),
             new HKVVB({ segNo: 4, productId: this.productId, lang: 0 }),
         ];
-        if (this.hktanVersion >= 6) {
+        if (this.hktanVersion >= 7) {
+            segments.push(new HKTAN({ segNo: 5, version: 7, process: "4" }));
+        }
+        else if (this.hktanVersion >= 6) {
             segments.push(new HKTAN({ segNo: 5, version: 6, process: "4" }));
         }
         const response: Response = await this.send(
diff --git a/packages/fints/src/segments/hktan.ts b/packages/fints/src/segments/hktan.ts
index 9815b2a..964b0bb 100644
--- a/packages/fints/src/segments/hktan.ts
+++ b/packages/fints/src/segments/hktan.ts
@@ -25,8 +25,8 @@ export class HKTAN extends SegmentClass(HKTANProps) {
     if (!["2", "4"].includes(process)) {
       throw new Error(`HKTAN process ${process} not implemented.`);
     }
-    if (![3, 4, 5, 6].includes(version)) {
-      throw new Error(`HKTAN version ${process} not implemented.`);
+    if (![3, 4, 5, 6, 7].includes(version)) {
+      throw new Error(`HKTAN version ${version} not implemented.`);
     }
     if (process === "4") {
       if (medium) {
@@ -39,11 +39,11 @@ export class HKTAN extends SegmentClass(HKTANProps) {
         if (version === 5) {
           return [process, segmentReference, "", "", "", "", "", "", "", "", "", medium];
         }
-        if (version === 6) {
+        if (version === 6 || version === 7) {
           return [process, segmentReference, "", "", "", "", "", "", "", "", medium];
         }
       } else {
-        if (version === 6) {
+        if (version === 6 || version === 7) {
           return [process, "HKIDN"];
         } else {
           return [process];