diff --git a/packages/connect/e2e/__fixtures__/cardanoSignTransaction.ts b/packages/connect/e2e/__fixtures__/cardanoSignTransaction.ts
index b9e9cb2e2c90..b1841193bd80 100644
--- a/packages/connect/e2e/__fixtures__/cardanoSignTransaction.ts
+++ b/packages/connect/e2e/__fixtures__/cardanoSignTransaction.ts
@@ -441,7 +441,7 @@ const legacyResults = {
     // FW <2.6.0 is not supported by Connect at all
     beforeConway: {
         // older FW doesn't support Conway certificates
-        rules: ['<2.6.5', '1'],
+        rules: ['<2.7.1', '1'],
         payload: false,
     },
 };
diff --git a/packages/connect/src/api/cardano/api/cardanoSignTransaction.ts b/packages/connect/src/api/cardano/api/cardanoSignTransaction.ts
index eb44714aeb68..ef748f839715 100644
--- a/packages/connect/src/api/cardano/api/cardanoSignTransaction.ts
+++ b/packages/connect/src/api/cardano/api/cardanoSignTransaction.ts
@@ -39,7 +39,7 @@ import { AssertWeak, Type } from '@trezor/schema-utils';
 
 const CardanoSignTransactionFeatures = Object.freeze({
     // FW <2.6.0 is not supported by Connect at all
-    Conway: ['0', '2.6.5'],
+    Conway: ['0', '2.7.1'],
 });
 
 export type CardanoSignTransactionParams = {