diff --git a/superset-frontend/src/views/CRUD/data/database/DatabaseModal/DatabaseConnectionForm/EncryptedField.tsx b/superset-frontend/src/views/CRUD/data/database/DatabaseModal/DatabaseConnectionForm/EncryptedField.tsx
index 2369b4fe5c3d5..5870345b444fe 100644
--- a/superset-frontend/src/views/CRUD/data/database/DatabaseModal/DatabaseConnectionForm/EncryptedField.tsx
+++ b/superset-frontend/src/views/CRUD/data/database/DatabaseModal/DatabaseConnectionForm/EncryptedField.tsx
@@ -168,6 +168,7 @@ export const EncryptedField = ({
 
             <input
               id="selectedFile"
+              accept=".json"
               className="input-upload"
               type="file"
               onChange={async event => {